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Finding the Fourth Proportional to 86,048.44, 129,105.77 and 41,671.78

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Solution

The fourth proportional to 86,048.44, 129,105.77 and 41,671.78 is: 62,523.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,048.44 : 129,105.77 = 41,671.78 : x
  2. Step 2: Convert to fraction form
    86,048.44/129,105.77 = 41,671.78/x
  3. Step 3: Cross multiply
    86,048.44x = 129,105.77 × 41,671.78
  4. Step 4: Simplify right side
    86,048.44x = 5,380,067,244.17
  5. Step 5: Solve for x
    x = 5,380,067,244.17/86,048.44
  6. Step 6: Final answer
    x = 62,523.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.