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Finding the Fourth Proportional to 162.64, 224.47 and 96.29

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Solution

The fourth proportional to 162.64, 224.47 and 96.29 is: 132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.64 : 224.47 = 96.29 : x
  2. Step 2: Convert to fraction form
    162.64/224.47 = 96.29/x
  3. Step 3: Cross multiply
    162.64x = 224.47 × 96.29
  4. Step 4: Simplify right side
    162.64x = 21,614.06
  5. Step 5: Solve for x
    x = 21,614.06/162.64
  6. Step 6: Final answer
    x = 132.89

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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.