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Finding the Fourth Proportional to 180,861.92, 271,205.36 and 62,491.76

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Solution

The fourth proportional to 180,861.92, 271,205.36 and 62,491.76 is: 93,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,861.92 : 271,205.36 = 62,491.76 : x
  2. Step 2: Convert to fraction form
    180,861.92/271,205.36 = 62,491.76/x
  3. Step 3: Cross multiply
    180,861.92x = 271,205.36 × 62,491.76
  4. Step 4: Simplify right side
    180,861.92x = 16,948,100,267.83
  5. Step 5: Solve for x
    x = 16,948,100,267.83/180,861.92
  6. Step 6: Final answer
    x = 93,707.40

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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.