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Finding the Fourth Proportional to 250,553.56, 375,790.32 and 73,019.02

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Solution

The fourth proportional to 250,553.56, 375,790.32 and 73,019.02 is: 109,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,553.56 : 375,790.32 = 73,019.02 : x
  2. Step 2: Convert to fraction form
    250,553.56/375,790.32 = 73,019.02/x
  3. Step 3: Cross multiply
    250,553.56x = 375,790.32 × 73,019.02
  4. Step 4: Simplify right side
    250,553.56x = 27,439,840,891.89
  5. Step 5: Solve for x
    x = 27,439,840,891.89/250,553.56
  6. Step 6: Final answer
    x = 109,516.87

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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.