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Finding the Fourth Proportional to 244.64, 337.72 and 171

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Solution

The fourth proportional to 244.64, 337.72 and 171 is: 236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.64 : 337.72 = 171 : x
  2. Step 2: Convert to fraction form
    244.64/337.72 = 171/x
  3. Step 3: Cross multiply
    244.64x = 337.72 × 171
  4. Step 4: Simplify right side
    244.64x = 57,750.12
  5. Step 5: Solve for x
    x = 57,750.12/244.64
  6. Step 6: Final answer
    x = 236.06

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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.