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Finding the Fourth Proportional to 162.52, 244.02 and 158.44

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Solution

The fourth proportional to 162.52, 244.02 and 158.44 is: 237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.52 : 244.02 = 158.44 : x
  2. Step 2: Convert to fraction form
    162.52/244.02 = 158.44/x
  3. Step 3: Cross multiply
    162.52x = 244.02 × 158.44
  4. Step 4: Simplify right side
    162.52x = 38,662.53
  5. Step 5: Solve for x
    x = 38,662.53/162.52
  6. Step 6: Final answer
    x = 237.89

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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.