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Finding the Fourth Proportional to 342,013.92, 513,020.88 and 92,695.92

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Solution

The fourth proportional to 342,013.92, 513,020.88 and 92,695.92 is: 139,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,013.92 : 513,020.88 = 92,695.92 : x
  2. Step 2: Convert to fraction form
    342,013.92/513,020.88 = 92,695.92/x
  3. Step 3: Cross multiply
    342,013.92x = 513,020.88 × 92,695.92
  4. Step 4: Simplify right side
    342,013.92x = 47,554,942,450.81
  5. Step 5: Solve for x
    x = 47,554,942,450.81/342,013.92
  6. Step 6: Final answer
    x = 139,043.88

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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.