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Finding the Fourth Proportional to 118,179.60, 177,121.57 and 59,031.78

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Solution

The fourth proportional to 118,179.60, 177,121.57 and 59,031.78 is: 88,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,179.60 : 177,121.57 = 59,031.78 : x
  2. Step 2: Convert to fraction form
    118,179.60/177,121.57 = 59,031.78/x
  3. Step 3: Cross multiply
    118,179.60x = 177,121.57 × 59,031.78
  4. Step 4: Simplify right side
    118,179.60x = 10,455,801,553.49
  5. Step 5: Solve for x
    x = 10,455,801,553.49/118,179.60
  6. Step 6: Final answer
    x = 88,473.83

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1.5x scale

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.