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Finding the Fourth Proportional to 226,888.90, 340,253.98 and 66,922.39

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Solution

The fourth proportional to 226,888.90, 340,253.98 and 66,922.39 is: 100,360.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,888.90 : 340,253.98 = 66,922.39 : x
  2. Step 2: Convert to fraction form
    226,888.90/340,253.98 = 66,922.39/x
  3. Step 3: Cross multiply
    226,888.90x = 340,253.98 × 66,922.39
  4. Step 4: Simplify right side
    226,888.90x = 22,770,609,548.61
  5. Step 5: Solve for x
    x = 22,770,609,548.61/226,888.90
  6. Step 6: Final answer
    x = 100,360.17

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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.