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Finding the Fourth Proportional to 132,254.52, 198,395.45 and 43,507.90

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Solution

The fourth proportional to 132,254.52, 198,395.45 and 43,507.90 is: 65,266.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,254.52 : 198,395.45 = 43,507.90 : x
  2. Step 2: Convert to fraction form
    132,254.52/198,395.45 = 43,507.90/x
  3. Step 3: Cross multiply
    132,254.52x = 198,395.45 × 43,507.90
  4. Step 4: Simplify right side
    132,254.52x = 8,631,769,399.06
  5. Step 5: Solve for x
    x = 8,631,769,399.06/132,254.52
  6. Step 6: Final answer
    x = 65,266.35

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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.