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Finding the Fourth Proportional to 90,046.60, 134,952.99 and 36,676.33

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Solution

The fourth proportional to 90,046.60, 134,952.99 and 36,676.33 is: 54,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,046.60 : 134,952.99 = 36,676.33 : x
  2. Step 2: Convert to fraction form
    90,046.60/134,952.99 = 36,676.33/x
  3. Step 3: Cross multiply
    90,046.60x = 134,952.99 × 36,676.33
  4. Step 4: Simplify right side
    90,046.60x = 4,949,580,395.73
  5. Step 5: Solve for x
    x = 4,949,580,395.73/90,046.60
  6. Step 6: Final answer
    x = 54,966.88

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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.