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Finding the Fourth Proportional to 92,006.60, 137,664.30 and 83,712.20

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Solution

The fourth proportional to 92,006.60, 137,664.30 and 83,712.20 is: 125,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,006.60 : 137,664.30 = 83,712.20 : x
  2. Step 2: Convert to fraction form
    92,006.60/137,664.30 = 83,712.20/x
  3. Step 3: Cross multiply
    92,006.60x = 137,664.30 × 83,712.20
  4. Step 4: Simplify right side
    92,006.60x = 11,524,181,414.46
  5. Step 5: Solve for x
    x = 11,524,181,414.46/92,006.60
  6. Step 6: Final answer
    x = 125,253.86

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1.5x scale

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.