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Finding the Fourth Proportional to 79,545.66, 109,773.02 and 43,738.08

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Solution

The fourth proportional to 79,545.66, 109,773.02 and 43,738.08 is: 60,358.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.66 : 109,773.02 = 43,738.08 : x
  2. Step 2: Convert to fraction form
    79,545.66/109,773.02 = 43,738.08/x
  3. Step 3: Cross multiply
    79,545.66x = 109,773.02 × 43,738.08
  4. Step 4: Simplify right side
    79,545.66x = 4,801,261,130.60
  5. Step 5: Solve for x
    x = 4,801,261,130.60/79,545.66
  6. Step 6: Final answer
    x = 60,358.56

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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.