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Finding the Fourth Proportional to 162.63, 244.06 and 111.32

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Solution

The fourth proportional to 162.63, 244.06 and 111.32 is: 167.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.63 : 244.06 = 111.32 : x
  2. Step 2: Convert to fraction form
    162.63/244.06 = 111.32/x
  3. Step 3: Cross multiply
    162.63x = 244.06 × 111.32
  4. Step 4: Simplify right side
    162.63x = 27,167.26
  5. Step 5: Solve for x
    x = 27,167.26/162.63
  6. Step 6: Final answer
    x = 167.05

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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.