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Finding the Fourth Proportional to 246,251.69, 339,812.72 and 142,877.89

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Solution

The fourth proportional to 246,251.69, 339,812.72 and 142,877.89 is: 197,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,251.69 : 339,812.72 = 142,877.89 : x
  2. Step 2: Convert to fraction form
    246,251.69/339,812.72 = 142,877.89/x
  3. Step 3: Cross multiply
    246,251.69x = 339,812.72 × 142,877.89
  4. Step 4: Simplify right side
    246,251.69x = 48,551,724,674.93
  5. Step 5: Solve for x
    x = 48,551,724,674.93/246,251.69
  6. Step 6: Final answer
    x = 197,163.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.