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Finding the Fourth Proportional to 252.81, 348.80 and 173.99

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Solution

The fourth proportional to 252.81, 348.80 and 173.99 is: 240.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252.81 : 348.80 = 173.99 : x
  2. Step 2: Convert to fraction form
    252.81/348.80 = 173.99/x
  3. Step 3: Cross multiply
    252.81x = 348.80 × 173.99
  4. Step 4: Simplify right side
    252.81x = 60,687.71
  5. Step 5: Solve for x
    x = 60,687.71/252.81
  6. Step 6: Final answer
    x = 240.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.