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Finding the Fourth Proportional to 176.20, 264.28 and 73.46

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Solution

The fourth proportional to 176.20, 264.28 and 73.46 is: 110.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.20 : 264.28 = 73.46 : x
  2. Step 2: Convert to fraction form
    176.20/264.28 = 73.46/x
  3. Step 3: Cross multiply
    176.20x = 264.28 × 73.46
  4. Step 4: Simplify right side
    176.20x = 19,414.01
  5. Step 5: Solve for x
    x = 19,414.01/176.20
  6. Step 6: Final answer
    x = 110.18

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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.