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Finding the Fourth Proportional to 214,668.89, 322,150.97 and 74,427.51

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Solution

The fourth proportional to 214,668.89, 322,150.97 and 74,427.51 is: 111,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,668.89 : 322,150.97 = 74,427.51 : x
  2. Step 2: Convert to fraction form
    214,668.89/322,150.97 = 74,427.51/x
  3. Step 3: Cross multiply
    214,668.89x = 322,150.97 × 74,427.51
  4. Step 4: Simplify right side
    214,668.89x = 23,976,894,169.05
  5. Step 5: Solve for x
    x = 23,976,894,169.05/214,668.89
  6. Step 6: Final answer
    x = 111,692.45

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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.