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Finding the Fourth Proportional to 162, 242.96 and 93.44

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Solution

The fourth proportional to 162, 242.96 and 93.44 is: 140.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 242.96 = 93.44 : x
  2. Step 2: Convert to fraction form
    162/242.96 = 93.44/x
  3. Step 3: Cross multiply
    162x = 242.96 × 93.44
  4. Step 4: Simplify right side
    162x = 22,702.18
  5. Step 5: Solve for x
    x = 22,702.18/162
  6. Step 6: Final answer
    x = 140.14

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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.