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Finding the Fourth Proportional to 222,647.39, 334,417.79 and 132,865.25

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Solution

The fourth proportional to 222,647.39, 334,417.79 and 132,865.25 is: 199,564.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,647.39 : 334,417.79 = 132,865.25 : x
  2. Step 2: Convert to fraction form
    222,647.39/334,417.79 = 132,865.25/x
  3. Step 3: Cross multiply
    222,647.39x = 334,417.79 × 132,865.25
  4. Step 4: Simplify right side
    222,647.39x = 44,432,500,936.38
  5. Step 5: Solve for x
    x = 44,432,500,936.38/222,647.39
  6. Step 6: Final answer
    x = 199,564.44

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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.