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Finding the Fourth Proportional to 248.93, 372.59 and 133.08

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Solution

The fourth proportional to 248.93, 372.59 and 133.08 is: 199.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.93 : 372.59 = 133.08 : x
  2. Step 2: Convert to fraction form
    248.93/372.59 = 133.08/x
  3. Step 3: Cross multiply
    248.93x = 372.59 × 133.08
  4. Step 4: Simplify right side
    248.93x = 49,584.28
  5. Step 5: Solve for x
    x = 49,584.28/248.93
  6. Step 6: Final answer
    x = 199.19

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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.