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Finding the Fourth Proportional to 83,468.60, 125,202.76 and 55,443.32

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Solution

The fourth proportional to 83,468.60, 125,202.76 and 55,443.32 is: 83,164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,468.60 : 125,202.76 = 55,443.32 : x
  2. Step 2: Convert to fraction form
    83,468.60/125,202.76 = 55,443.32/x
  3. Step 3: Cross multiply
    83,468.60x = 125,202.76 × 55,443.32
  4. Step 4: Simplify right side
    83,468.60x = 6,941,656,687.56
  5. Step 5: Solve for x
    x = 6,941,656,687.56/83,468.60
  6. Step 6: Final answer
    x = 83,164.89

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1.5x scale

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.