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Finding the Fourth Proportional to 248.89, 373.13 and 118.82

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Solution

The fourth proportional to 248.89, 373.13 and 118.82 is: 178.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.89 : 373.13 = 118.82 : x
  2. Step 2: Convert to fraction form
    248.89/373.13 = 118.82/x
  3. Step 3: Cross multiply
    248.89x = 373.13 × 118.82
  4. Step 4: Simplify right side
    248.89x = 44,335.31
  5. Step 5: Solve for x
    x = 44,335.31/248.89
  6. Step 6: Final answer
    x = 178.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.