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Finding the Fourth Proportional to 162.34, 224.15 and 96.93

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Solution

The fourth proportional to 162.34, 224.15 and 96.93 is: 133.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.34 : 224.15 = 96.93 : x
  2. Step 2: Convert to fraction form
    162.34/224.15 = 96.93/x
  3. Step 3: Cross multiply
    162.34x = 224.15 × 96.93
  4. Step 4: Simplify right side
    162.34x = 21,726.37
  5. Step 5: Solve for x
    x = 21,726.37/162.34
  6. Step 6: Final answer
    x = 133.83

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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.