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Finding the Fourth Proportional to 244.76, 337.64 and 157.41

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Solution

The fourth proportional to 244.76, 337.64 and 157.41 is: 217.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.76 : 337.64 = 157.41 : x
  2. Step 2: Convert to fraction form
    244.76/337.64 = 157.41/x
  3. Step 3: Cross multiply
    244.76x = 337.64 × 157.41
  4. Step 4: Simplify right side
    244.76x = 53,147.13
  5. Step 5: Solve for x
    x = 53,147.13/244.76
  6. Step 6: Final answer
    x = 217.14

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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.