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Finding the Fourth Proportional to 372,589.48, 558,889.38 and 106,349.92

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Solution

The fourth proportional to 372,589.48, 558,889.38 and 106,349.92 is: 159,526.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,589.48 : 558,889.38 = 106,349.92 : x
  2. Step 2: Convert to fraction form
    372,589.48/558,889.38 = 106,349.92/x
  3. Step 3: Cross multiply
    372,589.48x = 558,889.38 × 106,349.92
  4. Step 4: Simplify right side
    372,589.48x = 59,437,840,851.85
  5. Step 5: Solve for x
    x = 59,437,840,851.85/372,589.48
  6. Step 6: Final answer
    x = 159,526.35

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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.