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Finding the Fourth Proportional to 344,260.06, 516,191.43 and 133,651.96

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Solution

The fourth proportional to 344,260.06, 516,191.43 and 133,651.96 is: 200,400.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,260.06 : 516,191.43 = 133,651.96 : x
  2. Step 2: Convert to fraction form
    344,260.06/516,191.43 = 133,651.96/x
  3. Step 3: Cross multiply
    344,260.06x = 516,191.43 × 133,651.96
  4. Step 4: Simplify right side
    344,260.06x = 68,989,996,354.70
  5. Step 5: Solve for x
    x = 68,989,996,354.70/344,260.06
  6. Step 6: Final answer
    x = 200,400.81

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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.