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Finding the Fourth Proportional to 162.52, 241.94 and 160.69

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Solution

The fourth proportional to 162.52, 241.94 and 160.69 is: 239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.52 : 241.94 = 160.69 : x
  2. Step 2: Convert to fraction form
    162.52/241.94 = 160.69/x
  3. Step 3: Cross multiply
    162.52x = 241.94 × 160.69
  4. Step 4: Simplify right side
    162.52x = 38,877.34
  5. Step 5: Solve for x
    x = 38,877.34/162.52
  6. Step 6: Final answer
    x = 239.22

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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.