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Finding the Fourth Proportional to 88,753.70, 132,992.31 and 55,852.58

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Solution

The fourth proportional to 88,753.70, 132,992.31 and 55,852.58 is: 83,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,753.70 : 132,992.31 = 55,852.58 : x
  2. Step 2: Convert to fraction form
    88,753.70/132,992.31 = 55,852.58/x
  3. Step 3: Cross multiply
    88,753.70x = 132,992.31 × 55,852.58
  4. Step 4: Simplify right side
    88,753.70x = 7,427,963,633.66
  5. Step 5: Solve for x
    x = 7,427,963,633.66/88,753.70
  6. Step 6: Final answer
    x = 83,691.88

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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.