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Finding the Fourth Proportional to 244.44, 337.16 and 157.16

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Solution

The fourth proportional to 244.44, 337.16 and 157.16 is: 216.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.44 : 337.16 = 157.16 : x
  2. Step 2: Convert to fraction form
    244.44/337.16 = 157.16/x
  3. Step 3: Cross multiply
    244.44x = 337.16 × 157.16
  4. Step 4: Simplify right side
    244.44x = 52,988.07
  5. Step 5: Solve for x
    x = 52,988.07/244.44
  6. Step 6: Final answer
    x = 216.77

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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.