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Finding the Fourth Proportional to 80,348.12, 110,868.78 and 44,538.12

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Solution

The fourth proportional to 80,348.12, 110,868.78 and 44,538.12 is: 61,456.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,348.12 : 110,868.78 = 44,538.12 : x
  2. Step 2: Convert to fraction form
    80,348.12/110,868.78 = 44,538.12/x
  3. Step 3: Cross multiply
    80,348.12x = 110,868.78 × 44,538.12
  4. Step 4: Simplify right side
    80,348.12x = 4,937,887,027.89
  5. Step 5: Solve for x
    x = 4,937,887,027.89/80,348.12
  6. Step 6: Final answer
    x = 61,456.16

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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.