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Finding the Fourth Proportional to 118,213.80, 177,435.90 and 59,116.20

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Solution

The fourth proportional to 118,213.80, 177,435.90 and 59,116.20 is: 88,731.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,213.80 : 177,435.90 = 59,116.20 : x
  2. Step 2: Convert to fraction form
    118,213.80/177,435.90 = 59,116.20/x
  3. Step 3: Cross multiply
    118,213.80x = 177,435.90 × 59,116.20
  4. Step 4: Simplify right side
    118,213.80x = 10,489,336,151.58
  5. Step 5: Solve for x
    x = 10,489,336,151.58/118,213.80
  6. Step 6: Final answer
    x = 88,731.91

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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.