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Finding the Fourth Proportional to 226,684.58, 340,045.90 and 68,914.40

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Solution

The fourth proportional to 226,684.58, 340,045.90 and 68,914.40 is: 103,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,684.58 : 340,045.90 = 68,914.40 : x
  2. Step 2: Convert to fraction form
    226,684.58/340,045.90 = 68,914.40/x
  3. Step 3: Cross multiply
    226,684.58x = 340,045.90 × 68,914.40
  4. Step 4: Simplify right side
    226,684.58x = 23,434,057,298.44
  5. Step 5: Solve for x
    x = 23,434,057,298.44/226,684.58
  6. Step 6: Final answer
    x = 103,377.38

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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.