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Finding the Fourth Proportional to 72,124.68, 108,163.93 and 24,082.97

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Solution

The fourth proportional to 72,124.68, 108,163.93 and 24,082.97 is: 36,116.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,124.68 : 108,163.93 = 24,082.97 : x
  2. Step 2: Convert to fraction form
    72,124.68/108,163.93 = 24,082.97/x
  3. Step 3: Cross multiply
    72,124.68x = 108,163.93 × 24,082.97
  4. Step 4: Simplify right side
    72,124.68x = 2,604,908,350.65
  5. Step 5: Solve for x
    x = 2,604,908,350.65/72,124.68
  6. Step 6: Final answer
    x = 36,116.74

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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.