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Finding the Fourth Proportional to 95,959.92, 132,381.85 and 55,650.32

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Solution

The fourth proportional to 95,959.92, 132,381.85 and 55,650.32 is: 76,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,959.92 : 132,381.85 = 55,650.32 : x
  2. Step 2: Convert to fraction form
    95,959.92/132,381.85 = 55,650.32/x
  3. Step 3: Cross multiply
    95,959.92x = 132,381.85 × 55,650.32
  4. Step 4: Simplify right side
    95,959.92x = 7,367,091,898.63
  5. Step 5: Solve for x
    x = 7,367,091,898.63/95,959.92
  6. Step 6: Final answer
    x = 76,772.60

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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.