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Finding the Fourth Proportional to 223,366.10, 335,052.62 and 71,591.72

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Solution

The fourth proportional to 223,366.10, 335,052.62 and 71,591.72 is: 107,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,366.10 : 335,052.62 = 71,591.72 : x
  2. Step 2: Convert to fraction form
    223,366.10/335,052.62 = 71,591.72/x
  3. Step 3: Cross multiply
    223,366.10x = 335,052.62 × 71,591.72
  4. Step 4: Simplify right side
    223,366.10x = 23,986,994,372.92
  5. Step 5: Solve for x
    x = 23,986,994,372.92/223,366.10
  6. Step 6: Final answer
    x = 107,388.70

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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.