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Finding the Fourth Proportional to 176.10, 264.01 and 115.48

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Solution

The fourth proportional to 176.10, 264.01 and 115.48 is: 173.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.10 : 264.01 = 115.48 : x
  2. Step 2: Convert to fraction form
    176.10/264.01 = 115.48/x
  3. Step 3: Cross multiply
    176.10x = 264.01 × 115.48
  4. Step 4: Simplify right side
    176.10x = 30,487.87
  5. Step 5: Solve for x
    x = 30,487.87/176.10
  6. Step 6: Final answer
    x = 173.13

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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.