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Finding the Fourth Proportional to 79,442.59, 109,585.01 and 47,593.04

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Solution

The fourth proportional to 79,442.59, 109,585.01 and 47,593.04 is: 65,650.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,442.59 : 109,585.01 = 47,593.04 : x
  2. Step 2: Convert to fraction form
    79,442.59/109,585.01 = 47,593.04/x
  3. Step 3: Cross multiply
    79,442.59x = 109,585.01 × 47,593.04
  4. Step 4: Simplify right side
    79,442.59x = 5,215,482,978.44
  5. Step 5: Solve for x
    x = 5,215,482,978.44/79,442.59
  6. Step 6: Final answer
    x = 65,650.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.