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Finding the Fourth Proportional to 202,764.71, 304,115.15 and 127,654.92

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Solution

The fourth proportional to 202,764.71, 304,115.15 and 127,654.92 is: 191,462.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,764.71 : 304,115.15 = 127,654.92 : x
  2. Step 2: Convert to fraction form
    202,764.71/304,115.15 = 127,654.92/x
  3. Step 3: Cross multiply
    202,764.71x = 304,115.15 × 127,654.92
  4. Step 4: Simplify right side
    202,764.71x = 38,821,794,505.76
  5. Step 5: Solve for x
    x = 38,821,794,505.76/202,764.71
  6. Step 6: Final answer
    x = 191,462.29

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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.