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Finding the Fourth Proportional to 132,560.19, 198,798.17 and 43,797.15

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Solution

The fourth proportional to 132,560.19, 198,798.17 and 43,797.15 is: 65,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,560.19 : 198,798.17 = 43,797.15 : x
  2. Step 2: Convert to fraction form
    132,560.19/198,798.17 = 43,797.15/x
  3. Step 3: Cross multiply
    132,560.19x = 198,798.17 × 43,797.15
  4. Step 4: Simplify right side
    132,560.19x = 8,706,793,052.23
  5. Step 5: Solve for x
    x = 8,706,793,052.23/132,560.19
  6. Step 6: Final answer
    x = 65,681.81

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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.