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Finding the Fourth Proportional to 132,466.47, 198,680.26 and 43,722.87

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Solution

The fourth proportional to 132,466.47, 198,680.26 and 43,722.87 is: 65,577.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,466.47 : 198,680.26 = 43,722.87 : x
  2. Step 2: Convert to fraction form
    132,466.47/198,680.26 = 43,722.87/x
  3. Step 3: Cross multiply
    132,466.47x = 198,680.26 × 43,722.87
  4. Step 4: Simplify right side
    132,466.47x = 8,686,871,179.55
  5. Step 5: Solve for x
    x = 8,686,871,179.55/132,466.47
  6. Step 6: Final answer
    x = 65,577.89

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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.