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Finding the Fourth Proportional to 98.24, 134.80 and 95.52

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Solution

The fourth proportional to 98.24, 134.80 and 95.52 is: 131.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98.24 : 134.80 = 95.52 : x
  2. Step 2: Convert to fraction form
    98.24/134.80 = 95.52/x
  3. Step 3: Cross multiply
    98.24x = 134.80 × 95.52
  4. Step 4: Simplify right side
    98.24x = 12,876.10
  5. Step 5: Solve for x
    x = 12,876.10/98.24
  6. Step 6: Final answer
    x = 131.07

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.