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Finding the Fourth Proportional to 169.97, 254.95 and 48.24

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Solution

The fourth proportional to 169.97, 254.95 and 48.24 is: 72.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.97 : 254.95 = 48.24 : x
  2. Step 2: Convert to fraction form
    169.97/254.95 = 48.24/x
  3. Step 3: Cross multiply
    169.97x = 254.95 × 48.24
  4. Step 4: Simplify right side
    169.97x = 12,298.15
  5. Step 5: Solve for x
    x = 12,298.15/169.97
  6. Step 6: Final answer
    x = 72.36

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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.