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Finding the Fourth Proportional to 132,253.52, 198,393.95 and 43,506.90

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Solution

The fourth proportional to 132,253.52, 198,393.95 and 43,506.90 is: 65,264.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,253.52 : 198,393.95 = 43,506.90 : x
  2. Step 2: Convert to fraction form
    132,253.52/198,393.95 = 43,506.90/x
  3. Step 3: Cross multiply
    132,253.52x = 198,393.95 × 43,506.90
  4. Step 4: Simplify right side
    132,253.52x = 8,631,505,852.02
  5. Step 5: Solve for x
    x = 8,631,505,852.02/132,253.52
  6. Step 6: Final answer
    x = 65,264.85

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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.