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Finding the Fourth Proportional to 85,251.98, 117,645.04 and 47,013.14

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Solution

The fourth proportional to 85,251.98, 117,645.04 and 47,013.14 is: 64,876.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,251.98 : 117,645.04 = 47,013.14 : x
  2. Step 2: Convert to fraction form
    85,251.98/117,645.04 = 47,013.14/x
  3. Step 3: Cross multiply
    85,251.98x = 117,645.04 × 47,013.14
  4. Step 4: Simplify right side
    85,251.98x = 5,530,862,735.83
  5. Step 5: Solve for x
    x = 5,530,862,735.83/85,251.98
  6. Step 6: Final answer
    x = 64,876.65

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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.