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Finding the Fourth Proportional to 157,777,062.03, 217,753,975.17 and 90,794,643.60

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Solution

The fourth proportional to 157,777,062.03, 217,753,975.17 and 90,794,643.60 is: 125,309,055.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,777,062.03 : 217,753,975.17 = 90,794,643.60 : x
  2. Step 2: Convert to fraction form
    157,777,062.03/217,753,975.17 = 90,794,643.60/x
  3. Step 3: Cross multiply
    157,777,062.03x = 217,753,975.17 × 90,794,643.60
  4. Step 4: Simplify right side
    157,777,062.03x = 19,770,894,566,727,640
  5. Step 5: Solve for x
    x = 19,770,894,566,727,640/157,777,062.03
  6. Step 6: Final answer
    x = 125,309,055.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.