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Finding the Fourth Proportional to 223,631.42, 335,331.30 and 65,839.10

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Solution

The fourth proportional to 223,631.42, 335,331.30 and 65,839.10 is: 98,724.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,631.42 : 335,331.30 = 65,839.10 : x
  2. Step 2: Convert to fraction form
    223,631.42/335,331.30 = 65,839.10/x
  3. Step 3: Cross multiply
    223,631.42x = 335,331.30 × 65,839.10
  4. Step 4: Simplify right side
    223,631.42x = 22,077,910,993.83
  5. Step 5: Solve for x
    x = 22,077,910,993.83/223,631.42
  6. Step 6: Final answer
    x = 98,724.55

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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.