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Finding the Fourth Proportional to 176.45, 264.67 and 95.31

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Solution

The fourth proportional to 176.45, 264.67 and 95.31 is: 142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.45 : 264.67 = 95.31 : x
  2. Step 2: Convert to fraction form
    176.45/264.67 = 95.31/x
  3. Step 3: Cross multiply
    176.45x = 264.67 × 95.31
  4. Step 4: Simplify right side
    176.45x = 25,225.46
  5. Step 5: Solve for x
    x = 25,225.46/176.45
  6. Step 6: Final answer
    x = 142.97

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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.