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Finding the Fourth Proportional to 222,733.01, 334,161.72 and 73,078.56

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Solution

The fourth proportional to 222,733.01, 334,161.72 and 73,078.56 is: 109,638.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,733.01 : 334,161.72 = 73,078.56 : x
  2. Step 2: Convert to fraction form
    222,733.01/334,161.72 = 73,078.56/x
  3. Step 3: Cross multiply
    222,733.01x = 334,161.72 × 73,078.56
  4. Step 4: Simplify right side
    222,733.01x = 24,420,057,304.72
  5. Step 5: Solve for x
    x = 24,420,057,304.72/222,733.01
  6. Step 6: Final answer
    x = 109,638.25

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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.