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Finding the Fourth Proportional to 372,494.10, 558,751.41 and 136,012.98

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Solution

The fourth proportional to 372,494.10, 558,751.41 and 136,012.98 is: 204,023.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,494.10 : 558,751.41 = 136,012.98 : x
  2. Step 2: Convert to fraction form
    372,494.10/558,751.41 = 136,012.98/x
  3. Step 3: Cross multiply
    372,494.10x = 558,751.41 × 136,012.98
  4. Step 4: Simplify right side
    372,494.10x = 75,997,444,353.30
  5. Step 5: Solve for x
    x = 75,997,444,353.30/372,494.10
  6. Step 6: Final answer
    x = 204,023.22

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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.