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Finding the Fourth Proportional to 372,589.98, 558,890.13 and 106,350.42

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Solution

The fourth proportional to 372,589.98, 558,890.13 and 106,350.42 is: 159,527.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,589.98 : 558,890.13 = 106,350.42 : x
  2. Step 2: Convert to fraction form
    372,589.98/558,890.13 = 106,350.42/x
  3. Step 3: Cross multiply
    372,589.98x = 558,890.13 × 106,350.42
  4. Step 4: Simplify right side
    372,589.98x = 59,438,200,059.35
  5. Step 5: Solve for x
    x = 59,438,200,059.35/372,589.98
  6. Step 6: Final answer
    x = 159,527.10

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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.