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Finding the Fourth Proportional to 244.10, 336.94 and 156.76

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Solution

The fourth proportional to 244.10, 336.94 and 156.76 is: 216.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.10 : 336.94 = 156.76 : x
  2. Step 2: Convert to fraction form
    244.10/336.94 = 156.76/x
  3. Step 3: Cross multiply
    244.10x = 336.94 × 156.76
  4. Step 4: Simplify right side
    244.10x = 52,817.48
  5. Step 5: Solve for x
    x = 52,817.48/244.10
  6. Step 6: Final answer
    x = 216.37

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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.