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Finding the Fourth Proportional to 246,594.39, 369,860.42 and 78,131.81

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Solution

The fourth proportional to 246,594.39, 369,860.42 and 78,131.81 is: 117,187.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,594.39 : 369,860.42 = 78,131.81 : x
  2. Step 2: Convert to fraction form
    246,594.39/369,860.42 = 78,131.81/x
  3. Step 3: Cross multiply
    246,594.39x = 369,860.42 × 78,131.81
  4. Step 4: Simplify right side
    246,594.39x = 28,897,861,822.00
  5. Step 5: Solve for x
    x = 28,897,861,822.00/246,594.39
  6. Step 6: Final answer
    x = 117,187.83

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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.