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Finding the Fourth Proportional to 96,008.31, 132,393.15 and 63,731.54

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Solution

The fourth proportional to 96,008.31, 132,393.15 and 63,731.54 is: 87,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,008.31 : 132,393.15 = 63,731.54 : x
  2. Step 2: Convert to fraction form
    96,008.31/132,393.15 = 63,731.54/x
  3. Step 3: Cross multiply
    96,008.31x = 132,393.15 × 63,731.54
  4. Step 4: Simplify right side
    96,008.31x = 8,437,619,665.93
  5. Step 5: Solve for x
    x = 8,437,619,665.93/96,008.31
  6. Step 6: Final answer
    x = 87,884.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.