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Finding the Fourth Proportional to 344,086.79, 516,129.98 and 107,449.74

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Solution

The fourth proportional to 344,086.79, 516,129.98 and 107,449.74 is: 161,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,086.79 : 516,129.98 = 107,449.74 : x
  2. Step 2: Convert to fraction form
    344,086.79/516,129.98 = 107,449.74/x
  3. Step 3: Cross multiply
    344,086.79x = 516,129.98 × 107,449.74
  4. Step 4: Simplify right side
    344,086.79x = 55,458,031,619.96
  5. Step 5: Solve for x
    x = 55,458,031,619.96/344,086.79
  6. Step 6: Final answer
    x = 161,174.55

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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.