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Finding the Fourth Proportional to 86,339.43, 119,146.61 and 48,098.92

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Solution

The fourth proportional to 86,339.43, 119,146.61 and 48,098.92 is: 66,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,339.43 : 119,146.61 = 48,098.92 : x
  2. Step 2: Convert to fraction form
    86,339.43/119,146.61 = 48,098.92/x
  3. Step 3: Cross multiply
    86,339.43x = 119,146.61 × 48,098.92
  4. Step 4: Simplify right side
    86,339.43x = 5,730,823,262.66
  5. Step 5: Solve for x
    x = 5,730,823,262.66/86,339.43
  6. Step 6: Final answer
    x = 66,375.50

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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.