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Finding the Fourth Proportional to 79,865.39, 119,785.39 and 26,552.94

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Solution

The fourth proportional to 79,865.39, 119,785.39 and 26,552.94 is: 39,825.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,865.39 : 119,785.39 = 26,552.94 : x
  2. Step 2: Convert to fraction form
    79,865.39/119,785.39 = 26,552.94/x
  3. Step 3: Cross multiply
    79,865.39x = 119,785.39 × 26,552.94
  4. Step 4: Simplify right side
    79,865.39x = 3,180,654,207.16
  5. Step 5: Solve for x
    x = 3,180,654,207.16/79,865.39
  6. Step 6: Final answer
    x = 39,825.19

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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.