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Finding the Fourth Proportional to 250.98, 346.68 and 177.54

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Solution

The fourth proportional to 250.98, 346.68 and 177.54 is: 245.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.98 : 346.68 = 177.54 : x
  2. Step 2: Convert to fraction form
    250.98/346.68 = 177.54/x
  3. Step 3: Cross multiply
    250.98x = 346.68 × 177.54
  4. Step 4: Simplify right side
    250.98x = 61,549.57
  5. Step 5: Solve for x
    x = 61,549.57/250.98
  6. Step 6: Final answer
    x = 245.24

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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.