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Finding the Fourth Proportional to 162, 244.22 and 159.57

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Solution

The fourth proportional to 162, 244.22 and 159.57 is: 240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    162 : 244.22 = 159.57 : x
  2. Step 2: Convert to fraction form
    162/244.22 = 159.57/x
  3. Step 3: Cross multiply
    162x = 244.22 × 159.57
  4. Step 4: Simplify right side
    162x = 38,969.39
  5. Step 5: Solve for x
    x = 38,969.39/162
  6. Step 6: Final answer
    x = 240.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.