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Finding the Fourth Proportional to 96,195.90, 132,711.53 and 63,946.11

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Solution

The fourth proportional to 96,195.90, 132,711.53 and 63,946.11 is: 88,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,195.90 : 132,711.53 = 63,946.11 : x
  2. Step 2: Convert to fraction form
    96,195.90/132,711.53 = 63,946.11/x
  3. Step 3: Cross multiply
    96,195.90x = 132,711.53 × 63,946.11
  4. Step 4: Simplify right side
    96,195.90x = 8,486,385,775.92
  5. Step 5: Solve for x
    x = 8,486,385,775.92/96,195.90
  6. Step 6: Final answer
    x = 88,219.83

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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.