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Finding the Fourth Proportional to 162.76, 244.32 and 101.92

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Solution

The fourth proportional to 162.76, 244.32 and 101.92 is: 152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.76 : 244.32 = 101.92 : x
  2. Step 2: Convert to fraction form
    162.76/244.32 = 101.92/x
  3. Step 3: Cross multiply
    162.76x = 244.32 × 101.92
  4. Step 4: Simplify right side
    162.76x = 24,901.09
  5. Step 5: Solve for x
    x = 24,901.09/162.76
  6. Step 6: Final answer
    x = 152.99

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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.