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Finding the Fourth Proportional to 252.59, 348.53 and 174.06

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Solution

The fourth proportional to 252.59, 348.53 and 174.06 is: 240.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.59 : 348.53 = 174.06 : x
  2. Step 2: Convert to fraction form
    252.59/348.53 = 174.06/x
  3. Step 3: Cross multiply
    252.59x = 348.53 × 174.06
  4. Step 4: Simplify right side
    252.59x = 60,664.26
  5. Step 5: Solve for x
    x = 60,664.26/252.59
  6. Step 6: Final answer
    x = 240.17

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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.