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Finding the Fourth Proportional to 52,865.28, 79,166.70 and 44,138.88

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Solution

The fourth proportional to 52,865.28, 79,166.70 and 44,138.88 is: 66,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,865.28 : 79,166.70 = 44,138.88 : x
  2. Step 2: Convert to fraction form
    52,865.28/79,166.70 = 44,138.88/x
  3. Step 3: Cross multiply
    52,865.28x = 79,166.70 × 44,138.88
  4. Step 4: Simplify right side
    52,865.28x = 3,494,329,471.30
  5. Step 5: Solve for x
    x = 3,494,329,471.30/52,865.28
  6. Step 6: Final answer
    x = 66,098.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.