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Finding the Fourth Proportional to 270,169.08, 372,879.63 and 157,057.44

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Solution

The fourth proportional to 270,169.08, 372,879.63 and 157,057.44 is: 216,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,169.08 : 372,879.63 = 157,057.44 : x
  2. Step 2: Convert to fraction form
    270,169.08/372,879.63 = 157,057.44/x
  3. Step 3: Cross multiply
    270,169.08x = 372,879.63 × 157,057.44
  4. Step 4: Simplify right side
    270,169.08x = 58,563,520,115.95
  5. Step 5: Solve for x
    x = 58,563,520,115.95/270,169.08
  6. Step 6: Final answer
    x = 216,766.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.