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Finding the Fourth Proportional to 248.33, 372.53 and 75.02

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Solution

The fourth proportional to 248.33, 372.53 and 75.02 is: 112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.33 : 372.53 = 75.02 : x
  2. Step 2: Convert to fraction form
    248.33/372.53 = 75.02/x
  3. Step 3: Cross multiply
    248.33x = 372.53 × 75.02
  4. Step 4: Simplify right side
    248.33x = 27,945.53
  5. Step 5: Solve for x
    x = 27,945.53/248.33
  6. Step 6: Final answer
    x = 112.53

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Why These Related Problems?

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