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Finding the Fourth Proportional to 174.66, 240.90 and 116.34

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Solution

The fourth proportional to 174.66, 240.90 and 116.34 is: 160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.66 : 240.90 = 116.34 : x
  2. Step 2: Convert to fraction form
    174.66/240.90 = 116.34/x
  3. Step 3: Cross multiply
    174.66x = 240.90 × 116.34
  4. Step 4: Simplify right side
    174.66x = 28,026.31
  5. Step 5: Solve for x
    x = 28,026.31/174.66
  6. Step 6: Final answer
    x = 160.46

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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.