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Finding the Fourth Proportional to 245.12, 337.37 and 182.86

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Solution

The fourth proportional to 245.12, 337.37 and 182.86 is: 251.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    245.12 : 337.37 = 182.86 : x
  2. Step 2: Convert to fraction form
    245.12/337.37 = 182.86/x
  3. Step 3: Cross multiply
    245.12x = 337.37 × 182.86
  4. Step 4: Simplify right side
    245.12x = 61,689.72
  5. Step 5: Solve for x
    x = 61,689.72/245.12
  6. Step 6: Final answer
    x = 251.68

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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.