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Finding the Fourth Proportional to 192,343.92, 288,516.96 and 52,103.76

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Solution

The fourth proportional to 192,343.92, 288,516.96 and 52,103.76 is: 78,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,343.92 : 288,516.96 = 52,103.76 : x
  2. Step 2: Convert to fraction form
    192,343.92/288,516.96 = 52,103.76/x
  3. Step 3: Cross multiply
    192,343.92x = 288,516.96 × 52,103.76
  4. Step 4: Simplify right side
    192,343.92x = 15,032,818,439.77
  5. Step 5: Solve for x
    x = 15,032,818,439.77/192,343.92
  6. Step 6: Final answer
    x = 78,155.93

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1.5x scale

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.