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Finding the Fourth Proportional to 160.23, 239.36 and 116.52

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Solution

The fourth proportional to 160.23, 239.36 and 116.52 is: 174.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.23 : 239.36 = 116.52 : x
  2. Step 2: Convert to fraction form
    160.23/239.36 = 116.52/x
  3. Step 3: Cross multiply
    160.23x = 239.36 × 116.52
  4. Step 4: Simplify right side
    160.23x = 27,889.64
  5. Step 5: Solve for x
    x = 27,889.64/160.23
  6. Step 6: Final answer
    x = 174.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.