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Finding the Fourth Proportional to 372,755.91, 559,133.87 and 92,273.16

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Solution

The fourth proportional to 372,755.91, 559,133.87 and 92,273.16 is: 138,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,755.91 : 559,133.87 = 92,273.16 : x
  2. Step 2: Convert to fraction form
    372,755.91/559,133.87 = 92,273.16/x
  3. Step 3: Cross multiply
    372,755.91x = 559,133.87 × 92,273.16
  4. Step 4: Simplify right side
    372,755.91x = 51,593,048,586.56
  5. Step 5: Solve for x
    x = 51,593,048,586.56/372,755.91
  6. Step 6: Final answer
    x = 138,409.74

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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.