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Finding the Fourth Proportional to 80,271.67, 110,773.68 and 43,972.84

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Solution

The fourth proportional to 80,271.67, 110,773.68 and 43,972.84 is: 60,681.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,271.67 : 110,773.68 = 43,972.84 : x
  2. Step 2: Convert to fraction form
    80,271.67/110,773.68 = 43,972.84/x
  3. Step 3: Cross multiply
    80,271.67x = 110,773.68 × 43,972.84
  4. Step 4: Simplify right side
    80,271.67x = 4,871,033,306.85
  5. Step 5: Solve for x
    x = 4,871,033,306.85/80,271.67
  6. Step 6: Final answer
    x = 60,681.85

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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.