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Finding the Fourth Proportional to 226.53, 340.02 and 123.93

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Solution

The fourth proportional to 226.53, 340.02 and 123.93 is: 186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    226.53 : 340.02 = 123.93 : x
  2. Step 2: Convert to fraction form
    226.53/340.02 = 123.93/x
  3. Step 3: Cross multiply
    226.53x = 340.02 × 123.93
  4. Step 4: Simplify right side
    226.53x = 42,138.68
  5. Step 5: Solve for x
    x = 42,138.68/226.53
  6. Step 6: Final answer
    x = 186.02

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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.