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Finding the Fourth Proportional to 177.46, 266.32 and 100.44

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Solution

The fourth proportional to 177.46, 266.32 and 100.44 is: 150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.46 : 266.32 = 100.44 : x
  2. Step 2: Convert to fraction form
    177.46/266.32 = 100.44/x
  3. Step 3: Cross multiply
    177.46x = 266.32 × 100.44
  4. Step 4: Simplify right side
    177.46x = 26,749.18
  5. Step 5: Solve for x
    x = 26,749.18/177.46
  6. Step 6: Final answer
    x = 150.73

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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.