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Finding the Fourth Proportional to 246,239.29, 369,346.62 and 86,265.70

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Solution

The fourth proportional to 246,239.29, 369,346.62 and 86,265.70 is: 129,394.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,239.29 : 369,346.62 = 86,265.70 : x
  2. Step 2: Convert to fraction form
    246,239.29/369,346.62 = 86,265.70/x
  3. Step 3: Cross multiply
    246,239.29x = 369,346.62 × 86,265.70
  4. Step 4: Simplify right side
    246,239.29x = 31,861,944,716.93
  5. Step 5: Solve for x
    x = 31,861,944,716.93/246,239.29
  6. Step 6: Final answer
    x = 129,394.24

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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.