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Finding the Fourth Proportional to 67,360.68, 100,974.96 and 57,387.96

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Solution

The fourth proportional to 67,360.68, 100,974.96 and 57,387.96 is: 86,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,360.68 : 100,974.96 = 57,387.96 : x
  2. Step 2: Convert to fraction form
    67,360.68/100,974.96 = 57,387.96/x
  3. Step 3: Cross multiply
    67,360.68x = 100,974.96 × 57,387.96
  4. Step 4: Simplify right side
    67,360.68x = 5,794,746,965.48
  5. Step 5: Solve for x
    x = 5,794,746,965.48/67,360.68
  6. Step 6: Final answer
    x = 86,025.66

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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.