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Finding the Fourth Proportional to 372,790.26, 559,203.82 and 106,589.94

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Solution

The fourth proportional to 372,790.26, 559,203.82 and 106,589.94 is: 159,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,790.26 : 559,203.82 = 106,589.94 : x
  2. Step 2: Convert to fraction form
    372,790.26/559,203.82 = 106,589.94/x
  3. Step 3: Cross multiply
    372,790.26x = 559,203.82 × 106,589.94
  4. Step 4: Simplify right side
    372,790.26x = 59,605,501,621.57
  5. Step 5: Solve for x
    x = 59,605,501,621.57/372,790.26
  6. Step 6: Final answer
    x = 159,890.18

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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.