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Finding the Fourth Proportional to 176.16, 264.24 and 149.04

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Solution

The fourth proportional to 176.16, 264.24 and 149.04 is: 223.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.16 : 264.24 = 149.04 : x
  2. Step 2: Convert to fraction form
    176.16/264.24 = 149.04/x
  3. Step 3: Cross multiply
    176.16x = 264.24 × 149.04
  4. Step 4: Simplify right side
    176.16x = 39,382.33
  5. Step 5: Solve for x
    x = 39,382.33/176.16
  6. Step 6: Final answer
    x = 223.56

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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.