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Finding the Fourth Proportional to 344,162.18, 516,241.22 and 133,800.12

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Solution

The fourth proportional to 344,162.18, 516,241.22 and 133,800.12 is: 200,699.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,162.18 : 516,241.22 = 133,800.12 : x
  2. Step 2: Convert to fraction form
    344,162.18/516,241.22 = 133,800.12/x
  3. Step 3: Cross multiply
    344,162.18x = 516,241.22 × 133,800.12
  4. Step 4: Simplify right side
    344,162.18x = 69,073,136,515.95
  5. Step 5: Solve for x
    x = 69,073,136,515.95/344,162.18
  6. Step 6: Final answer
    x = 200,699.38

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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.