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Finding the Fourth Proportional to 177,419.57, 244,830.47 and 100,931.47

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Solution

The fourth proportional to 177,419.57, 244,830.47 and 100,931.47 is: 139,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,419.57 : 244,830.47 = 100,931.47 : x
  2. Step 2: Convert to fraction form
    177,419.57/244,830.47 = 100,931.47/x
  3. Step 3: Cross multiply
    177,419.57x = 244,830.47 × 100,931.47
  4. Step 4: Simplify right side
    177,419.57x = 24,711,098,121.16
  5. Step 5: Solve for x
    x = 24,711,098,121.16/177,419.57
  6. Step 6: Final answer
    x = 139,280.57

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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.