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Finding the Fourth Proportional to 126,859,110.30, 177,220,116.90 and 126,859,110.30

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Solution

The fourth proportional to 126,859,110.30, 177,220,116.90 and 126,859,110.30 is: 177,220,116.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,859,110.30 : 177,220,116.90 = 126,859,110.30 : x
  2. Step 2: Convert to fraction form
    126,859,110.30/177,220,116.90 = 126,859,110.30/x
  3. Step 3: Cross multiply
    126,859,110.30x = 177,220,116.90 × 126,859,110.30
  4. Step 4: Simplify right side
    126,859,110.30x = 22,481,986,357,195,996
  5. Step 5: Solve for x
    x = 22,481,986,357,195,996/126,859,110.30
  6. Step 6: Final answer
    x = 177,220,116.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.