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Finding the Fourth Proportional to 226,808.53, 340,201.52 and 84,642.94

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Solution

The fourth proportional to 226,808.53, 340,201.52 and 84,642.94 is: 126,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,808.53 : 340,201.52 = 84,642.94 : x
  2. Step 2: Convert to fraction form
    226,808.53/340,201.52 = 84,642.94/x
  3. Step 3: Cross multiply
    226,808.53x = 340,201.52 × 84,642.94
  4. Step 4: Simplify right side
    226,808.53x = 28,795,655,729.49
  5. Step 5: Solve for x
    x = 28,795,655,729.49/226,808.53
  6. Step 6: Final answer
    x = 126,960.20

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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.