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Finding the Fourth Proportional to 80,047.67, 110,466.13 and 43,749.85

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Solution

The fourth proportional to 80,047.67, 110,466.13 and 43,749.85 is: 60,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,047.67 : 110,466.13 = 43,749.85 : x
  2. Step 2: Convert to fraction form
    80,047.67/110,466.13 = 43,749.85/x
  3. Step 3: Cross multiply
    80,047.67x = 110,466.13 × 43,749.85
  4. Step 4: Simplify right side
    80,047.67x = 4,832,876,232.04
  5. Step 5: Solve for x
    x = 4,832,876,232.04/80,047.67
  6. Step 6: Final answer
    x = 60,374.98

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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.