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Finding the Fourth Proportional to 177,644,069.90, 266,914,002.45 and 112,978,853.90

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Solution

The fourth proportional to 177,644,069.90, 266,914,002.45 and 112,978,853.90 is: 169,753,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,644,069.90 : 266,914,002.45 = 112,978,853.90 : x
  2. Step 2: Convert to fraction form
    177,644,069.90/266,914,002.45 = 112,978,853.90/x
  3. Step 3: Cross multiply
    177,644,069.90x = 266,914,002.45 × 112,978,853.90
  4. Step 4: Simplify right side
    177,644,069.90x = 30,155,638,086,662,792
  5. Step 5: Solve for x
    x = 30,155,638,086,662,792/177,644,069.90
  6. Step 6: Final answer
    x = 169,753,136.73

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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.