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Finding the Fourth Proportional to 113,279.97, 169,908.96 and 34,394.88

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Solution

The fourth proportional to 113,279.97, 169,908.96 and 34,394.88 is: 51,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,279.97 : 169,908.96 = 34,394.88 : x
  2. Step 2: Convert to fraction form
    113,279.97/169,908.96 = 34,394.88/x
  3. Step 3: Cross multiply
    113,279.97x = 169,908.96 × 34,394.88
  4. Step 4: Simplify right side
    113,279.97x = 5,843,998,290.12
  5. Step 5: Solve for x
    x = 5,843,998,290.12/113,279.97
  6. Step 6: Final answer
    x = 51,588.98

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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.