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Finding the Fourth Proportional to 132,080.56, 198,170.16 and 53,217.16

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Solution

The fourth proportional to 132,080.56, 198,170.16 and 53,217.16 is: 79,845.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,080.56 : 198,170.16 = 53,217.16 : x
  2. Step 2: Convert to fraction form
    132,080.56/198,170.16 = 53,217.16/x
  3. Step 3: Cross multiply
    132,080.56x = 198,170.16 × 53,217.16
  4. Step 4: Simplify right side
    132,080.56x = 10,546,053,111.95
  5. Step 5: Solve for x
    x = 10,546,053,111.95/132,080.56
  6. Step 6: Final answer
    x = 79,845.61

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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.