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Finding the Fourth Proportional to 177.02, 265.67 and 94.85

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Solution

The fourth proportional to 177.02, 265.67 and 94.85 is: 142.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.02 : 265.67 = 94.85 : x
  2. Step 2: Convert to fraction form
    177.02/265.67 = 94.85/x
  3. Step 3: Cross multiply
    177.02x = 265.67 × 94.85
  4. Step 4: Simplify right side
    177.02x = 25,199.70
  5. Step 5: Solve for x
    x = 25,199.70/177.02
  6. Step 6: Final answer
    x = 142.35

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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.