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Finding the Fourth Proportional to 335,653.87, 503,527.78 and 107,872.94

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Solution

The fourth proportional to 335,653.87, 503,527.78 and 107,872.94 is: 161,824.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,653.87 : 503,527.78 = 107,872.94 : x
  2. Step 2: Convert to fraction form
    335,653.87/503,527.78 = 107,872.94/x
  3. Step 3: Cross multiply
    335,653.87x = 503,527.78 × 107,872.94
  4. Step 4: Simplify right side
    335,653.87x = 54,317,021,826.07
  5. Step 5: Solve for x
    x = 54,317,021,826.07/335,653.87
  6. Step 6: Final answer
    x = 161,824.51

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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.