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Finding the Fourth Proportional to 83,349, 124,866.36 and 41,179.68

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Solution

The fourth proportional to 83,349, 124,866.36 and 41,179.68 is: 61,691.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,349 : 124,866.36 = 41,179.68 : x
  2. Step 2: Convert to fraction form
    83,349/124,866.36 = 41,179.68/x
  3. Step 3: Cross multiply
    83,349x = 124,866.36 × 41,179.68
  4. Step 4: Simplify right side
    83,349x = 5,141,956,747.56
  5. Step 5: Solve for x
    x = 5,141,956,747.56/83,349
  6. Step 6: Final answer
    x = 61,691.88

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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.