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Finding the Fourth Proportional to 88,043.56, 132,050 and 40,654.60

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Solution

The fourth proportional to 88,043.56, 132,050 and 40,654.60 is: 60,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,043.56 : 132,050 = 40,654.60 : x
  2. Step 2: Convert to fraction form
    88,043.56/132,050 = 40,654.60/x
  3. Step 3: Cross multiply
    88,043.56x = 132,050 × 40,654.60
  4. Step 4: Simplify right side
    88,043.56x = 5,368,439,930
  5. Step 5: Solve for x
    x = 5,368,439,930/88,043.56
  6. Step 6: Final answer
    x = 60,974.82

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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.