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Finding the Fourth Proportional to 177.83, 267.00 and 153.43

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Solution

The fourth proportional to 177.83, 267.00 and 153.43 is: 230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.83 : 267.00 = 153.43 : x
  2. Step 2: Convert to fraction form
    177.83/267.00 = 153.43/x
  3. Step 3: Cross multiply
    177.83x = 267.00 × 153.43
  4. Step 4: Simplify right side
    177.83x = 40,964.57
  5. Step 5: Solve for x
    x = 40,964.57/177.83
  6. Step 6: Final answer
    x = 230.36

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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.