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Finding the Fourth Proportional to 79,502.04, 109,713.15 and 43,691.13

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Solution

The fourth proportional to 79,502.04, 109,713.15 and 43,691.13 is: 60,293.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,502.04 : 109,713.15 = 43,691.13 : x
  2. Step 2: Convert to fraction form
    79,502.04/109,713.15 = 43,691.13/x
  3. Step 3: Cross multiply
    79,502.04x = 109,713.15 × 43,691.13
  4. Step 4: Simplify right side
    79,502.04x = 4,793,491,499.36
  5. Step 5: Solve for x
    x = 4,793,491,499.36/79,502.04
  6. Step 6: Final answer
    x = 60,293.94

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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.