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Finding the Fourth Proportional to 162.48, 244.08 and 132.48

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Solution

The fourth proportional to 162.48, 244.08 and 132.48 is: 199.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.48 : 244.08 = 132.48 : x
  2. Step 2: Convert to fraction form
    162.48/244.08 = 132.48/x
  3. Step 3: Cross multiply
    162.48x = 244.08 × 132.48
  4. Step 4: Simplify right side
    162.48x = 32,335.72
  5. Step 5: Solve for x
    x = 32,335.72/162.48
  6. Step 6: Final answer
    x = 199.01

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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.