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Finding the Fourth Proportional to 223,369.84, 335,067.60 and 71,580.28

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Solution

The fourth proportional to 223,369.84, 335,067.60 and 71,580.28 is: 107,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,369.84 : 335,067.60 = 71,580.28 : x
  2. Step 2: Convert to fraction form
    223,369.84/335,067.60 = 71,580.28/x
  3. Step 3: Cross multiply
    223,369.84x = 335,067.60 × 71,580.28
  4. Step 4: Simplify right side
    223,369.84x = 23,984,232,626.93
  5. Step 5: Solve for x
    x = 23,984,232,626.93/223,369.84
  6. Step 6: Final answer
    x = 107,374.53

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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.