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Finding the Fourth Proportional to 135.04, 186.48 and 96.25

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Solution

The fourth proportional to 135.04, 186.48 and 96.25 is: 132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.04 : 186.48 = 96.25 : x
  2. Step 2: Convert to fraction form
    135.04/186.48 = 96.25/x
  3. Step 3: Cross multiply
    135.04x = 186.48 × 96.25
  4. Step 4: Simplify right side
    135.04x = 17,948.70
  5. Step 5: Solve for x
    x = 17,948.70/135.04
  6. Step 6: Final answer
    x = 132.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.