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Finding the Fourth Proportional to 83,568.62, 125,340.60 and 24,388.40

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Solution

The fourth proportional to 83,568.62, 125,340.60 and 24,388.40 is: 36,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,568.62 : 125,340.60 = 24,388.40 : x
  2. Step 2: Convert to fraction form
    83,568.62/125,340.60 = 24,388.40/x
  3. Step 3: Cross multiply
    83,568.62x = 125,340.60 × 24,388.40
  4. Step 4: Simplify right side
    83,568.62x = 3,056,856,689.04
  5. Step 5: Solve for x
    x = 3,056,856,689.04/83,568.62
  6. Step 6: Final answer
    x = 36,579.00

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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.