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Finding the Fourth Proportional to 134, 184.92 and 88.08

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Solution

The fourth proportional to 134, 184.92 and 88.08 is: 121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134 : 184.92 = 88.08 : x
  2. Step 2: Convert to fraction form
    134/184.92 = 88.08/x
  3. Step 3: Cross multiply
    134x = 184.92 × 88.08
  4. Step 4: Simplify right side
    134x = 16,287.75
  5. Step 5: Solve for x
    x = 16,287.75/134
  6. Step 6: Final answer
    x = 121.55

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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.