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Finding the Fourth Proportional to 178.14, 267.13 and 124.06

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Solution

The fourth proportional to 178.14, 267.13 and 124.06 is: 186.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    178.14 : 267.13 = 124.06 : x
  2. Step 2: Convert to fraction form
    178.14/267.13 = 124.06/x
  3. Step 3: Cross multiply
    178.14x = 267.13 × 124.06
  4. Step 4: Simplify right side
    178.14x = 33,140.15
  5. Step 5: Solve for x
    x = 33,140.15/178.14
  6. Step 6: Final answer
    x = 186.03

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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.