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Finding the Fourth Proportional to 270,037.01, 372,649.91 and 149,178.29

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Solution

The fourth proportional to 270,037.01, 372,649.91 and 149,178.29 is: 205,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,037.01 : 372,649.91 = 149,178.29 : x
  2. Step 2: Convert to fraction form
    270,037.01/372,649.91 = 149,178.29/x
  3. Step 3: Cross multiply
    270,037.01x = 372,649.91 × 149,178.29
  4. Step 4: Simplify right side
    270,037.01x = 55,591,275,596.56
  5. Step 5: Solve for x
    x = 55,591,275,596.56/270,037.01
  6. Step 6: Final answer
    x = 205,865.39

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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.