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Finding the Fourth Proportional to 180,493.92, 270,630.72 and 62,132.40

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Solution

The fourth proportional to 180,493.92, 270,630.72 and 62,132.40 is: 93,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,493.92 : 270,630.72 = 62,132.40 : x
  2. Step 2: Convert to fraction form
    180,493.92/270,630.72 = 62,132.40/x
  3. Step 3: Cross multiply
    180,493.92x = 270,630.72 × 62,132.40
  4. Step 4: Simplify right side
    180,493.92x = 16,814,936,147.33
  5. Step 5: Solve for x
    x = 16,814,936,147.33/180,493.92
  6. Step 6: Final answer
    x = 93,160.68

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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.