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Finding the Fourth Proportional to 88,585.43, 132,891.53 and 28,593.86

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Solution

The fourth proportional to 88,585.43, 132,891.53 and 28,593.86 is: 42,895.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,585.43 : 132,891.53 = 28,593.86 : x
  2. Step 2: Convert to fraction form
    88,585.43/132,891.53 = 28,593.86/x
  3. Step 3: Cross multiply
    88,585.43x = 132,891.53 × 28,593.86
  4. Step 4: Simplify right side
    88,585.43x = 3,799,880,996.58
  5. Step 5: Solve for x
    x = 3,799,880,996.58/88,585.43
  6. Step 6: Final answer
    x = 42,895.10

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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.