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Finding the Fourth Proportional to 372,768.59, 559,171.34 and 106,568.32

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Solution

The fourth proportional to 372,768.59, 559,171.34 and 106,568.32 is: 159,857.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,768.59 : 559,171.34 = 106,568.32 : x
  2. Step 2: Convert to fraction form
    372,768.59/559,171.34 = 106,568.32/x
  3. Step 3: Cross multiply
    372,768.59x = 559,171.34 × 106,568.32
  4. Step 4: Simplify right side
    372,768.59x = 59,589,950,295.95
  5. Step 5: Solve for x
    x = 59,589,950,295.95/372,768.59
  6. Step 6: Final answer
    x = 159,857.76

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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.