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Finding the Fourth Proportional to 609,183.77, 913,805.89 and 159,905.93

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Solution

The fourth proportional to 609,183.77, 913,805.89 and 159,905.93 is: 239,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,183.77 : 913,805.89 = 159,905.93 : x
  2. Step 2: Convert to fraction form
    609,183.77/913,805.89 = 159,905.93/x
  3. Step 3: Cross multiply
    609,183.77x = 913,805.89 × 159,905.93
  4. Step 4: Simplify right side
    609,183.77x = 146,122,975,711.13
  5. Step 5: Solve for x
    x = 146,122,975,711.13/609,183.77
  6. Step 6: Final answer
    x = 239,866.83

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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.