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Finding the Fourth Proportional to 176.55, 264.66 and 95.31

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Solution

The fourth proportional to 176.55, 264.66 and 95.31 is: 142.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.55 : 264.66 = 95.31 : x
  2. Step 2: Convert to fraction form
    176.55/264.66 = 95.31/x
  3. Step 3: Cross multiply
    176.55x = 264.66 × 95.31
  4. Step 4: Simplify right side
    176.55x = 25,224.74
  5. Step 5: Solve for x
    x = 25,224.74/176.55
  6. Step 6: Final answer
    x = 142.88

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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.