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Finding the Fourth Proportional to 80,043.01, 120,038.72 and 44,521.27

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Solution

The fourth proportional to 80,043.01, 120,038.72 and 44,521.27 is: 66,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043.01 : 120,038.72 = 44,521.27 : x
  2. Step 2: Convert to fraction form
    80,043.01/120,038.72 = 44,521.27/x
  3. Step 3: Cross multiply
    80,043.01x = 120,038.72 × 44,521.27
  4. Step 4: Simplify right side
    80,043.01x = 5,344,275,740.87
  5. Step 5: Solve for x
    x = 5,344,275,740.87/80,043.01
  6. Step 6: Final answer
    x = 66,767.55

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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.