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Finding the Fourth Proportional to 252.48, 348.70 and 169.93

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Solution

The fourth proportional to 252.48, 348.70 and 169.93 is: 234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.48 : 348.70 = 169.93 : x
  2. Step 2: Convert to fraction form
    252.48/348.70 = 169.93/x
  3. Step 3: Cross multiply
    252.48x = 348.70 × 169.93
  4. Step 4: Simplify right side
    252.48x = 59,254.59
  5. Step 5: Solve for x
    x = 59,254.59/252.48
  6. Step 6: Final answer
    x = 234.69

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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.