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Finding the Fourth Proportional to 178.57, 267.73 and 63

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Solution

The fourth proportional to 178.57, 267.73 and 63 is: 94.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.57 : 267.73 = 63 : x
  2. Step 2: Convert to fraction form
    178.57/267.73 = 63/x
  3. Step 3: Cross multiply
    178.57x = 267.73 × 63
  4. Step 4: Simplify right side
    178.57x = 16,866.83
  5. Step 5: Solve for x
    x = 16,866.83/178.57
  6. Step 6: Final answer
    x = 94.46

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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.