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Finding the Fourth Proportional to 178.24, 267.37 and 49.99

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Solution

The fourth proportional to 178.24, 267.37 and 49.99 is: 74.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.24 : 267.37 = 49.99 : x
  2. Step 2: Convert to fraction form
    178.24/267.37 = 49.99/x
  3. Step 3: Cross multiply
    178.24x = 267.37 × 49.99
  4. Step 4: Simplify right side
    178.24x = 13,366.29
  5. Step 5: Solve for x
    x = 13,366.29/178.24
  6. Step 6: Final answer
    x = 74.99

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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.