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Finding the Fourth Proportional to 79,163.60, 109,248.24 and 43,357.04

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Solution

The fourth proportional to 79,163.60, 109,248.24 and 43,357.04 is: 59,834.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,163.60 : 109,248.24 = 43,357.04 : x
  2. Step 2: Convert to fraction form
    79,163.60/109,248.24 = 43,357.04/x
  3. Step 3: Cross multiply
    79,163.60x = 109,248.24 × 43,357.04
  4. Step 4: Simplify right side
    79,163.60x = 4,736,680,311.61
  5. Step 5: Solve for x
    x = 4,736,680,311.61/79,163.60
  6. Step 6: Final answer
    x = 59,834.07

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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.