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Finding the Fourth Proportional to 215,052.68, 322,617.90 and 88,622.60

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Solution

The fourth proportional to 215,052.68, 322,617.90 and 88,622.60 is: 132,949.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,052.68 : 322,617.90 = 88,622.60 : x
  2. Step 2: Convert to fraction form
    215,052.68/322,617.90 = 88,622.60/x
  3. Step 3: Cross multiply
    215,052.68x = 322,617.90 × 88,622.60
  4. Step 4: Simplify right side
    215,052.68x = 28,591,237,104.54
  5. Step 5: Solve for x
    x = 28,591,237,104.54/215,052.68
  6. Step 6: Final answer
    x = 132,949.92

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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.