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Finding the Fourth Proportional to 134,801.60, 202,105.20 and 88,080.80

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Solution

The fourth proportional to 134,801.60, 202,105.20 and 88,080.80 is: 132,057.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,801.60 : 202,105.20 = 88,080.80 : x
  2. Step 2: Convert to fraction form
    134,801.60/202,105.20 = 88,080.80/x
  3. Step 3: Cross multiply
    134,801.60x = 202,105.20 × 88,080.80
  4. Step 4: Simplify right side
    134,801.60x = 17,801,587,700.16
  5. Step 5: Solve for x
    x = 17,801,587,700.16/134,801.60
  6. Step 6: Final answer
    x = 132,057.69

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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.