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Finding the Fourth Proportional to 133,401.62, 200,129.21 and 49,162.22

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Solution

The fourth proportional to 133,401.62, 200,129.21 and 49,162.22 is: 73,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,401.62 : 200,129.21 = 49,162.22 : x
  2. Step 2: Convert to fraction form
    133,401.62/200,129.21 = 49,162.22/x
  3. Step 3: Cross multiply
    133,401.62x = 200,129.21 × 49,162.22
  4. Step 4: Simplify right side
    133,401.62x = 9,838,796,659.69
  5. Step 5: Solve for x
    x = 9,838,796,659.69/133,401.62
  6. Step 6: Final answer
    x = 73,753.20

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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.