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Finding the Fourth Proportional to 244.03, 336.70 and 156.73

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Solution

The fourth proportional to 244.03, 336.70 and 156.73 is: 216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.03 : 336.70 = 156.73 : x
  2. Step 2: Convert to fraction form
    244.03/336.70 = 156.73/x
  3. Step 3: Cross multiply
    244.03x = 336.70 × 156.73
  4. Step 4: Simplify right side
    244.03x = 52,770.99
  5. Step 5: Solve for x
    x = 52,770.99/244.03
  6. Step 6: Final answer
    x = 216.25

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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.