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Finding the Fourth Proportional to 113.13, 169.71 and 44.66

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Solution

The fourth proportional to 113.13, 169.71 and 44.66 is: 67.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.13 : 169.71 = 44.66 : x
  2. Step 2: Convert to fraction form
    113.13/169.71 = 44.66/x
  3. Step 3: Cross multiply
    113.13x = 169.71 × 44.66
  4. Step 4: Simplify right side
    113.13x = 7,579.25
  5. Step 5: Solve for x
    x = 7,579.25/113.13
  6. Step 6: Final answer
    x = 67.00

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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.