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Finding the Fourth Proportional to 96,686.60, 144,857.10 and 82,862.60

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Solution

The fourth proportional to 96,686.60, 144,857.10 and 82,862.60 is: 124,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,686.60 : 144,857.10 = 82,862.60 : x
  2. Step 2: Convert to fraction form
    96,686.60/144,857.10 = 82,862.60/x
  3. Step 3: Cross multiply
    96,686.60x = 144,857.10 × 82,862.60
  4. Step 4: Simplify right side
    96,686.60x = 12,003,235,934.46
  5. Step 5: Solve for x
    x = 12,003,235,934.46/96,686.60
  6. Step 6: Final answer
    x = 124,145.81

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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.