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Finding the Fourth Proportional to 151,487.80, 227,231.70 and 62,711.80

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Solution

The fourth proportional to 151,487.80, 227,231.70 and 62,711.80 is: 94,067.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,487.80 : 227,231.70 = 62,711.80 : x
  2. Step 2: Convert to fraction form
    151,487.80/227,231.70 = 62,711.80/x
  3. Step 3: Cross multiply
    151,487.80x = 227,231.70 × 62,711.80
  4. Step 4: Simplify right side
    151,487.80x = 14,250,108,924.06
  5. Step 5: Solve for x
    x = 14,250,108,924.06/151,487.80
  6. Step 6: Final answer
    x = 94,067.70

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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.