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Finding the Fourth Proportional to 118,331, 177,522.42 and 44,459

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Solution

The fourth proportional to 118,331, 177,522.42 and 44,459 is: 66,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,331 : 177,522.42 = 44,459 : x
  2. Step 2: Convert to fraction form
    118,331/177,522.42 = 44,459/x
  3. Step 3: Cross multiply
    118,331x = 177,522.42 × 44,459
  4. Step 4: Simplify right side
    118,331x = 7,892,469,270.78
  5. Step 5: Solve for x
    x = 7,892,469,270.78/118,331
  6. Step 6: Final answer
    x = 66,698.24

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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.