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Finding the Fourth Proportional to 160.06, 239.03 and 158.38

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Solution

The fourth proportional to 160.06, 239.03 and 158.38 is: 236.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.06 : 239.03 = 158.38 : x
  2. Step 2: Convert to fraction form
    160.06/239.03 = 158.38/x
  3. Step 3: Cross multiply
    160.06x = 239.03 × 158.38
  4. Step 4: Simplify right side
    160.06x = 37,857.57
  5. Step 5: Solve for x
    x = 37,857.57/160.06
  6. Step 6: Final answer
    x = 236.52

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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.