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Finding the Fourth Proportional to 248.96, 373.14 and 125.39

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Solution

The fourth proportional to 248.96, 373.14 and 125.39 is: 187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.96 : 373.14 = 125.39 : x
  2. Step 2: Convert to fraction form
    248.96/373.14 = 125.39/x
  3. Step 3: Cross multiply
    248.96x = 373.14 × 125.39
  4. Step 4: Simplify right side
    248.96x = 46,788.96
  5. Step 5: Solve for x
    x = 46,788.96/248.96
  6. Step 6: Final answer
    x = 187.94

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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.