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Finding the Fourth Proportional to 342,769.71, 514,149.06 and 93,451.71

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Solution

The fourth proportional to 342,769.71, 514,149.06 and 93,451.71 is: 140,176.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,769.71 : 514,149.06 = 93,451.71 : x
  2. Step 2: Convert to fraction form
    342,769.71/514,149.06 = 93,451.71/x
  3. Step 3: Cross multiply
    342,769.71x = 514,149.06 × 93,451.71
  4. Step 4: Simplify right side
    342,769.71x = 48,048,108,851.89
  5. Step 5: Solve for x
    x = 48,048,108,851.89/342,769.71
  6. Step 6: Final answer
    x = 140,176.06

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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.