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Finding the Fourth Proportional to 95.01, 130.92 and 92.58

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Solution

The fourth proportional to 95.01, 130.92 and 92.58 is: 127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.01 : 130.92 = 92.58 : x
  2. Step 2: Convert to fraction form
    95.01/130.92 = 92.58/x
  3. Step 3: Cross multiply
    95.01x = 130.92 × 92.58
  4. Step 4: Simplify right side
    95.01x = 12,120.57
  5. Step 5: Solve for x
    x = 12,120.57/95.01
  6. Step 6: Final answer
    x = 127.57

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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.