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Finding the Fourth Proportional to 162.46, 224.19 and 92.52

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Solution

The fourth proportional to 162.46, 224.19 and 92.52 is: 127.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.46 : 224.19 = 92.52 : x
  2. Step 2: Convert to fraction form
    162.46/224.19 = 92.52/x
  3. Step 3: Cross multiply
    162.46x = 224.19 × 92.52
  4. Step 4: Simplify right side
    162.46x = 20,742.81
  5. Step 5: Solve for x
    x = 20,742.81/162.46
  6. Step 6: Final answer
    x = 127.68

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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.