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Finding the Fourth Proportional to 121,142,304,584.20, 181,713,456,876.30 and 121,142,304,584.20

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Solution

The fourth proportional to 121,142,304,584.20, 181,713,456,876.30 and 121,142,304,584.20 is: 181,713,456,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,142,304,584.20 : 181,713,456,876.30 = 121,142,304,584.20 : x
  2. Step 2: Convert to fraction form
    121,142,304,584.20/181,713,456,876.30 = 121,142,304,584.20/x
  3. Step 3: Cross multiply
    121,142,304,584.20x = 181,713,456,876.30 × 121,142,304,584.20
  4. Step 4: Simplify right side
    121,142,304,584.20x = 22,013,186,939,956,624,359,424
  5. Step 5: Solve for x
    x = 22,013,186,939,956,624,359,424/121,142,304,584.20
  6. Step 6: Final answer
    x = 181,713,456,876.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.