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Finding the Fourth Proportional to 174.36, 240.51 and 116.13

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Solution

The fourth proportional to 174.36, 240.51 and 116.13 is: 160.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.36 : 240.51 = 116.13 : x
  2. Step 2: Convert to fraction form
    174.36/240.51 = 116.13/x
  3. Step 3: Cross multiply
    174.36x = 240.51 × 116.13
  4. Step 4: Simplify right side
    174.36x = 27,930.43
  5. Step 5: Solve for x
    x = 27,930.43/174.36
  6. Step 6: Final answer
    x = 160.19

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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.