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Finding the Fourth Proportional to 162.06, 242.77 and 96.92

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Solution

The fourth proportional to 162.06, 242.77 and 96.92 is: 145.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162.06 : 242.77 = 96.92 : x
  2. Step 2: Convert to fraction form
    162.06/242.77 = 96.92/x
  3. Step 3: Cross multiply
    162.06x = 242.77 × 96.92
  4. Step 4: Simplify right side
    162.06x = 23,529.27
  5. Step 5: Solve for x
    x = 23,529.27/162.06
  6. Step 6: Final answer
    x = 145.19

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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.