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Finding the Fourth Proportional to 123,759,819,017.20, 185,639,728,525.80 and 123,759,819,017.20

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Solution

The fourth proportional to 123,759,819,017.20, 185,639,728,525.80 and 123,759,819,017.20 is: 185,639,728,525.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,759,819,017.20 : 185,639,728,525.80 = 123,759,819,017.20 : x
  2. Step 2: Convert to fraction form
    123,759,819,017.20/185,639,728,525.80 = 123,759,819,017.20/x
  3. Step 3: Cross multiply
    123,759,819,017.20x = 185,639,728,525.80 × 123,759,819,017.20
  4. Step 4: Simplify right side
    123,759,819,017.20x = 22,974,739,204,755,146,407,936
  5. Step 5: Solve for x
    x = 22,974,739,204,755,146,407,936/123,759,819,017.20
  6. Step 6: Final answer
    x = 185,639,728,525.80

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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.