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Finding the Fourth Proportional to 162.96, 244.26 and 117.24

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Solution

The fourth proportional to 162.96, 244.26 and 117.24 is: 175.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.96 : 244.26 = 117.24 : x
  2. Step 2: Convert to fraction form
    162.96/244.26 = 117.24/x
  3. Step 3: Cross multiply
    162.96x = 244.26 × 117.24
  4. Step 4: Simplify right side
    162.96x = 28,637.04
  5. Step 5: Solve for x
    x = 28,637.04/162.96
  6. Step 6: Final answer
    x = 175.73

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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.