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Finding the Fourth Proportional to 344,527.71, 516,791.61 and 107,888.87

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Solution

The fourth proportional to 344,527.71, 516,791.61 and 107,888.87 is: 161,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,527.71 : 516,791.61 = 107,888.87 : x
  2. Step 2: Convert to fraction form
    344,527.71/516,791.61 = 107,888.87/x
  3. Step 3: Cross multiply
    344,527.71x = 516,791.61 × 107,888.87
  4. Step 4: Simplify right side
    344,527.71x = 55,756,060,244.42
  5. Step 5: Solve for x
    x = 55,756,060,244.42/344,527.71
  6. Step 6: Final answer
    x = 161,833.31

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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.