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Finding the Fourth Proportional to 88,657.70, 132,986.55 and 44,291.30

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Solution

The fourth proportional to 88,657.70, 132,986.55 and 44,291.30 is: 66,436.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,657.70 : 132,986.55 = 44,291.30 : x
  2. Step 2: Convert to fraction form
    88,657.70/132,986.55 = 44,291.30/x
  3. Step 3: Cross multiply
    88,657.70x = 132,986.55 × 44,291.30
  4. Step 4: Simplify right side
    88,657.70x = 5,890,147,182.02
  5. Step 5: Solve for x
    x = 5,890,147,182.02/88,657.70
  6. Step 6: Final answer
    x = 66,436.95

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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.