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Finding the Fourth Proportional to 187.92, 282.28 and 176.96

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Solution

The fourth proportional to 187.92, 282.28 and 176.96 is: 265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187.92 : 282.28 = 176.96 : x
  2. Step 2: Convert to fraction form
    187.92/282.28 = 176.96/x
  3. Step 3: Cross multiply
    187.92x = 282.28 × 176.96
  4. Step 4: Simplify right side
    187.92x = 49,952.27
  5. Step 5: Solve for x
    x = 49,952.27/187.92
  6. Step 6: Final answer
    x = 265.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.