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Finding the Fourth Proportional to 80,049.87, 110,469.18 and 43,752.06

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Solution

The fourth proportional to 80,049.87, 110,469.18 and 43,752.06 is: 60,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,049.87 : 110,469.18 = 43,752.06 : x
  2. Step 2: Convert to fraction form
    80,049.87/110,469.18 = 43,752.06/x
  3. Step 3: Cross multiply
    80,049.87x = 110,469.18 × 43,752.06
  4. Step 4: Simplify right side
    80,049.87x = 4,833,254,191.51
  5. Step 5: Solve for x
    x = 4,833,254,191.51/80,049.87
  6. Step 6: Final answer
    x = 60,378.04

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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.