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Finding the Fourth Proportional to 135,251.60, 202,948.13 and 55,348.87

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Solution

The fourth proportional to 135,251.60, 202,948.13 and 55,348.87 is: 83,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,251.60 : 202,948.13 = 55,348.87 : x
  2. Step 2: Convert to fraction form
    135,251.60/202,948.13 = 55,348.87/x
  3. Step 3: Cross multiply
    135,251.60x = 202,948.13 × 55,348.87
  4. Step 4: Simplify right side
    135,251.60x = 11,232,949,675.64
  5. Step 5: Solve for x
    x = 11,232,949,675.64/135,251.60
  6. Step 6: Final answer
    x = 83,052.25

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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.