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Finding the Fourth Proportional to 79,545.96, 109,773.50 and 43,736.58

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Solution

The fourth proportional to 79,545.96, 109,773.50 and 43,736.58 is: 60,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.96 : 109,773.50 = 43,736.58 : x
  2. Step 2: Convert to fraction form
    79,545.96/109,773.50 = 43,736.58/x
  3. Step 3: Cross multiply
    79,545.96x = 109,773.50 × 43,736.58
  4. Step 4: Simplify right side
    79,545.96x = 4,801,117,464.63
  5. Step 5: Solve for x
    x = 4,801,117,464.63/79,545.96
  6. Step 6: Final answer
    x = 60,356.52

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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.