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Finding the Fourth Proportional to 162.87, 244.41 and 114.22

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Solution

The fourth proportional to 162.87, 244.41 and 114.22 is: 171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.87 : 244.41 = 114.22 : x
  2. Step 2: Convert to fraction form
    162.87/244.41 = 114.22/x
  3. Step 3: Cross multiply
    162.87x = 244.41 × 114.22
  4. Step 4: Simplify right side
    162.87x = 27,916.51
  5. Step 5: Solve for x
    x = 27,916.51/162.87
  6. Step 6: Final answer
    x = 171.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.