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Finding the Fourth Proportional to 176.46, 264.62 and 60.90

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Solution

The fourth proportional to 176.46, 264.62 and 60.90 is: 91.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.46 : 264.62 = 60.90 : x
  2. Step 2: Convert to fraction form
    176.46/264.62 = 60.90/x
  3. Step 3: Cross multiply
    176.46x = 264.62 × 60.90
  4. Step 4: Simplify right side
    176.46x = 16,115.36
  5. Step 5: Solve for x
    x = 16,115.36/176.46
  6. Step 6: Final answer
    x = 91.33

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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.