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Finding the Fourth Proportional to 95.24, 131.43 and 55.92

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Solution

The fourth proportional to 95.24, 131.43 and 55.92 is: 77.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.24 : 131.43 = 55.92 : x
  2. Step 2: Convert to fraction form
    95.24/131.43 = 55.92/x
  3. Step 3: Cross multiply
    95.24x = 131.43 × 55.92
  4. Step 4: Simplify right side
    95.24x = 7,349.57
  5. Step 5: Solve for x
    x = 7,349.57/95.24
  6. Step 6: Final answer
    x = 77.17

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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.