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Finding the Fourth Proportional to 275,633.10, 413,449.65 and 88,644.60

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Solution

The fourth proportional to 275,633.10, 413,449.65 and 88,644.60 is: 132,966.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,633.10 : 413,449.65 = 88,644.60 : x
  2. Step 2: Convert to fraction form
    275,633.10/413,449.65 = 88,644.60/x
  3. Step 3: Cross multiply
    275,633.10x = 413,449.65 × 88,644.60
  4. Step 4: Simplify right side
    275,633.10x = 36,650,078,844.39
  5. Step 5: Solve for x
    x = 36,650,078,844.39/275,633.10
  6. Step 6: Final answer
    x = 132,966.90

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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.