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Finding the Fourth Proportional to 342,764.71, 514,141.55 and 93,446.71

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Solution

The fourth proportional to 342,764.71, 514,141.55 and 93,446.71 is: 140,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,764.71 : 514,141.55 = 93,446.71 : x
  2. Step 2: Convert to fraction form
    342,764.71/514,141.55 = 93,446.71/x
  3. Step 3: Cross multiply
    342,764.71x = 514,141.55 × 93,446.71
  4. Step 4: Simplify right side
    342,764.71x = 48,044,833,751.09
  5. Step 5: Solve for x
    x = 48,044,833,751.09/342,764.71
  6. Step 6: Final answer
    x = 140,168.56

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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.