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Finding the Fourth Proportional to 162.35, 224.03 and 92.39

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Solution

The fourth proportional to 162.35, 224.03 and 92.39 is: 127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.35 : 224.03 = 92.39 : x
  2. Step 2: Convert to fraction form
    162.35/224.03 = 92.39/x
  3. Step 3: Cross multiply
    162.35x = 224.03 × 92.39
  4. Step 4: Simplify right side
    162.35x = 20,698.46
  5. Step 5: Solve for x
    x = 20,698.46/162.35
  6. Step 6: Final answer
    x = 127.50

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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.