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Finding the Fourth Proportional to 125,831.71, 188,777.13 and 41,591.88

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Solution

The fourth proportional to 125,831.71, 188,777.13 and 41,591.88 is: 62,397.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,831.71 : 188,777.13 = 41,591.88 : x
  2. Step 2: Convert to fraction form
    125,831.71/188,777.13 = 41,591.88/x
  3. Step 3: Cross multiply
    125,831.71x = 188,777.13 × 41,591.88
  4. Step 4: Simplify right side
    125,831.71x = 7,851,594,760.31
  5. Step 5: Solve for x
    x = 7,851,594,760.31/125,831.71
  6. Step 6: Final answer
    x = 62,397.58

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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.