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Finding the Fourth Proportional to 372,243.02, 558,092.28 and 119,379.56

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Solution

The fourth proportional to 372,243.02, 558,092.28 and 119,379.56 is: 178,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,243.02 : 558,092.28 = 119,379.56 : x
  2. Step 2: Convert to fraction form
    372,243.02/558,092.28 = 119,379.56/x
  3. Step 3: Cross multiply
    372,243.02x = 558,092.28 × 119,379.56
  4. Step 4: Simplify right side
    372,243.02x = 66,624,810,825.80
  5. Step 5: Solve for x
    x = 66,624,810,825.80/372,243.02
  6. Step 6: Final answer
    x = 178,982.03

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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.