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Finding the Fourth Proportional to 177,387.52, 266,125.02 and 52,728.52

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Solution

The fourth proportional to 177,387.52, 266,125.02 and 52,728.52 is: 79,105.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,387.52 : 266,125.02 = 52,728.52 : x
  2. Step 2: Convert to fraction form
    177,387.52/266,125.02 = 52,728.52/x
  3. Step 3: Cross multiply
    177,387.52x = 266,125.02 × 52,728.52
  4. Step 4: Simplify right side
    177,387.52x = 14,032,378,439.57
  5. Step 5: Solve for x
    x = 14,032,378,439.57/177,387.52
  6. Step 6: Final answer
    x = 79,105.78

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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.