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Finding the Fourth Proportional to 80,319.42, 110,847.54 and 44,512.76

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Solution

The fourth proportional to 80,319.42, 110,847.54 and 44,512.76 is: 61,431.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,319.42 : 110,847.54 = 44,512.76 : x
  2. Step 2: Convert to fraction form
    80,319.42/110,847.54 = 44,512.76/x
  3. Step 3: Cross multiply
    80,319.42x = 110,847.54 × 44,512.76
  4. Step 4: Simplify right side
    80,319.42x = 4,934,129,944.61
  5. Step 5: Solve for x
    x = 4,934,129,944.61/80,319.42
  6. Step 6: Final answer
    x = 61,431.34

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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.