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Finding the Fourth Proportional to 83,999.52, 125,912.16 and 44,546.40

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Solution

The fourth proportional to 83,999.52, 125,912.16 and 44,546.40 is: 66,773.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.52 : 125,912.16 = 44,546.40 : x
  2. Step 2: Convert to fraction form
    83,999.52/125,912.16 = 44,546.40/x
  3. Step 3: Cross multiply
    83,999.52x = 125,912.16 × 44,546.40
  4. Step 4: Simplify right side
    83,999.52x = 5,608,933,444.22
  5. Step 5: Solve for x
    x = 5,608,933,444.22/83,999.52
  6. Step 6: Final answer
    x = 66,773.40

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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.