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Finding the Fourth Proportional to 252.76, 348.42 and 175

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Solution

The fourth proportional to 252.76, 348.42 and 175 is: 241.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.76 : 348.42 = 175 : x
  2. Step 2: Convert to fraction form
    252.76/348.42 = 175/x
  3. Step 3: Cross multiply
    252.76x = 348.42 × 175
  4. Step 4: Simplify right side
    252.76x = 60,973.50
  5. Step 5: Solve for x
    x = 60,973.50/252.76
  6. Step 6: Final answer
    x = 241.23

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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.