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Finding the Fourth Proportional to 226,705.95, 340,071.09 and 68,922.42

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Solution

The fourth proportional to 226,705.95, 340,071.09 and 68,922.42 is: 103,387.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,705.95 : 340,071.09 = 68,922.42 : x
  2. Step 2: Convert to fraction form
    226,705.95/340,071.09 = 68,922.42/x
  3. Step 3: Cross multiply
    226,705.95x = 340,071.09 × 68,922.42
  4. Step 4: Simplify right side
    226,705.95x = 23,438,522,494.84
  5. Step 5: Solve for x
    x = 23,438,522,494.84/226,705.95
  6. Step 6: Final answer
    x = 103,387.33

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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.