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Finding the Fourth Proportional to 80,452.17, 110,918.36 and 69,241.97

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Solution

The fourth proportional to 80,452.17, 110,918.36 and 69,241.97 is: 95,463.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.17 : 110,918.36 = 69,241.97 : x
  2. Step 2: Convert to fraction form
    80,452.17/110,918.36 = 69,241.97/x
  3. Step 3: Cross multiply
    80,452.17x = 110,918.36 × 69,241.97
  4. Step 4: Simplify right side
    80,452.17x = 7,680,206,205.97
  5. Step 5: Solve for x
    x = 7,680,206,205.97/80,452.17
  6. Step 6: Final answer
    x = 95,463.01

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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.