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Finding the Fourth Proportional to 230.86, 345.52 and 176.44

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Solution

The fourth proportional to 230.86, 345.52 and 176.44 is: 264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.86 : 345.52 = 176.44 : x
  2. Step 2: Convert to fraction form
    230.86/345.52 = 176.44/x
  3. Step 3: Cross multiply
    230.86x = 345.52 × 176.44
  4. Step 4: Simplify right side
    230.86x = 60,963.55
  5. Step 5: Solve for x
    x = 60,963.55/230.86
  6. Step 6: Final answer
    x = 264.07

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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.