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Finding the Fourth Proportional to 165.88, 248.52 and 93.76

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Solution

The fourth proportional to 165.88, 248.52 and 93.76 is: 140.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.88 : 248.52 = 93.76 : x
  2. Step 2: Convert to fraction form
    165.88/248.52 = 93.76/x
  3. Step 3: Cross multiply
    165.88x = 248.52 × 93.76
  4. Step 4: Simplify right side
    165.88x = 23,301.24
  5. Step 5: Solve for x
    x = 23,301.24/165.88
  6. Step 6: Final answer
    x = 140.47

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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.