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Finding the Fourth Proportional to 88,046.58, 132,065.28 and 28,874.46

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Solution

The fourth proportional to 88,046.58, 132,065.28 and 28,874.46 is: 43,310.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,046.58 : 132,065.28 = 28,874.46 : x
  2. Step 2: Convert to fraction form
    88,046.58/132,065.28 = 28,874.46/x
  3. Step 3: Cross multiply
    88,046.58x = 132,065.28 × 28,874.46
  4. Step 4: Simplify right side
    88,046.58x = 3,813,313,644.75
  5. Step 5: Solve for x
    x = 3,813,313,644.75/88,046.58
  6. Step 6: Final answer
    x = 43,310.18

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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.