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Finding the Fourth Proportional to 176.32, 264.52 and 89.44

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Solution

The fourth proportional to 176.32, 264.52 and 89.44 is: 134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.32 : 264.52 = 89.44 : x
  2. Step 2: Convert to fraction form
    176.32/264.52 = 89.44/x
  3. Step 3: Cross multiply
    176.32x = 264.52 × 89.44
  4. Step 4: Simplify right side
    176.32x = 23,658.67
  5. Step 5: Solve for x
    x = 23,658.67/176.32
  6. Step 6: Final answer
    x = 134.18

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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.