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Finding the Fourth Proportional to 177,432, 266,150.88 and 51,073.92

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Solution

The fourth proportional to 177,432, 266,150.88 and 51,073.92 is: 76,611.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,432 : 266,150.88 = 51,073.92 : x
  2. Step 2: Convert to fraction form
    177,432/266,150.88 = 51,073.92/x
  3. Step 3: Cross multiply
    177,432x = 266,150.88 × 51,073.92
  4. Step 4: Simplify right side
    177,432x = 13,593,368,753.05
  5. Step 5: Solve for x
    x = 13,593,368,753.05/177,432
  6. Step 6: Final answer
    x = 76,611.71

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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.