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Finding the Fourth Proportional to 270,171.86, 372,837.61 and 149,313.11

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Solution

The fourth proportional to 270,171.86, 372,837.61 and 149,313.11 is: 206,052.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,171.86 : 372,837.61 = 149,313.11 : x
  2. Step 2: Convert to fraction form
    270,171.86/372,837.61 = 149,313.11/x
  3. Step 3: Cross multiply
    270,171.86x = 372,837.61 × 149,313.11
  4. Step 4: Simplify right side
    270,171.86x = 55,669,543,074.07
  5. Step 5: Solve for x
    x = 55,669,543,074.07/270,171.86
  6. Step 6: Final answer
    x = 206,052.34

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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.