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Finding the Fourth Proportional to 80,739.92, 111,419.70 and 44,928.92

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Solution

The fourth proportional to 80,739.92, 111,419.70 and 44,928.92 is: 62,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,739.92 : 111,419.70 = 44,928.92 : x
  2. Step 2: Convert to fraction form
    80,739.92/111,419.70 = 44,928.92/x
  3. Step 3: Cross multiply
    80,739.92x = 111,419.70 × 44,928.92
  4. Step 4: Simplify right side
    80,739.92x = 5,005,966,787.72
  5. Step 5: Solve for x
    x = 5,005,966,787.72/80,739.92
  6. Step 6: Final answer
    x = 62,001.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.