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Finding the Fourth Proportional to 344,409.66, 516,614.48 and 107,754.38

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Solution

The fourth proportional to 344,409.66, 516,614.48 and 107,754.38 is: 161,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,409.66 : 516,614.48 = 107,754.38 : x
  2. Step 2: Convert to fraction form
    344,409.66/516,614.48 = 107,754.38/x
  3. Step 3: Cross multiply
    344,409.66x = 516,614.48 × 107,754.38
  4. Step 4: Simplify right side
    344,409.66x = 55,667,472,991.42
  5. Step 5: Solve for x
    x = 55,667,472,991.42/344,409.66
  6. Step 6: Final answer
    x = 161,631.57

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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.