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Finding the Fourth Proportional to 52,123.92, 78,183.92 and 15,186.96

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Solution

The fourth proportional to 52,123.92, 78,183.92 and 15,186.96 is: 22,779.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,123.92 : 78,183.92 = 15,186.96 : x
  2. Step 2: Convert to fraction form
    52,123.92/78,183.92 = 15,186.96/x
  3. Step 3: Cross multiply
    52,123.92x = 78,183.92 × 15,186.96
  4. Step 4: Simplify right side
    52,123.92x = 1,187,376,065.68
  5. Step 5: Solve for x
    x = 1,187,376,065.68/52,123.92
  6. Step 6: Final answer
    x = 22,779.87

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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.