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Finding the Fourth Proportional to 176.75, 265.28 and 94.55

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Solution

The fourth proportional to 176.75, 265.28 and 94.55 is: 141.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.75 : 265.28 = 94.55 : x
  2. Step 2: Convert to fraction form
    176.75/265.28 = 94.55/x
  3. Step 3: Cross multiply
    176.75x = 265.28 × 94.55
  4. Step 4: Simplify right side
    176.75x = 25,082.32
  5. Step 5: Solve for x
    x = 25,082.32/176.75
  6. Step 6: Final answer
    x = 141.91

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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.