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Finding the Fourth Proportional to 344,825.96, 517,238.94 and 108,187.56

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Solution

The fourth proportional to 344,825.96, 517,238.94 and 108,187.56 is: 162,281.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,825.96 : 517,238.94 = 108,187.56 : x
  2. Step 2: Convert to fraction form
    344,825.96/517,238.94 = 108,187.56/x
  3. Step 3: Cross multiply
    344,825.96x = 517,238.94 × 108,187.56
  4. Step 4: Simplify right side
    344,825.96x = 55,958,818,855.59
  5. Step 5: Solve for x
    x = 55,958,818,855.59/344,825.96
  6. Step 6: Final answer
    x = 162,281.34

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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.