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Finding the Fourth Proportional to 252,055.64, 378,073.68 and 62,516.48

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Solution

The fourth proportional to 252,055.64, 378,073.68 and 62,516.48 is: 93,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,055.64 : 378,073.68 = 62,516.48 : x
  2. Step 2: Convert to fraction form
    252,055.64/378,073.68 = 62,516.48/x
  3. Step 3: Cross multiply
    252,055.64x = 378,073.68 × 62,516.48
  4. Step 4: Simplify right side
    252,055.64x = 23,635,835,654.25
  5. Step 5: Solve for x
    x = 23,635,835,654.25/252,055.64
  6. Step 6: Final answer
    x = 93,772.29

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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.