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Finding the Fourth Proportional to 113.39, 170.01 and 44.92

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Solution

The fourth proportional to 113.39, 170.01 and 44.92 is: 67.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.39 : 170.01 = 44.92 : x
  2. Step 2: Convert to fraction form
    113.39/170.01 = 44.92/x
  3. Step 3: Cross multiply
    113.39x = 170.01 × 44.92
  4. Step 4: Simplify right side
    113.39x = 7,636.98
  5. Step 5: Solve for x
    x = 7,636.98/113.39
  6. Step 6: Final answer
    x = 67.35

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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.