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Finding the Fourth Proportional to 270,134.69, 372,808.32 and 149,299.57

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Solution

The fourth proportional to 270,134.69, 372,808.32 and 149,299.57 is: 206,045.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,134.69 : 372,808.32 = 149,299.57 : x
  2. Step 2: Convert to fraction form
    270,134.69/372,808.32 = 149,299.57/x
  3. Step 3: Cross multiply
    270,134.69x = 372,808.32 × 149,299.57
  4. Step 4: Simplify right side
    270,134.69x = 55,660,121,868.42
  5. Step 5: Solve for x
    x = 55,660,121,868.42/270,134.69
  6. Step 6: Final answer
    x = 206,045.81

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