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Finding the Fourth Proportional to 225,101, 337,662.84 and 67,330.82

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Solution

The fourth proportional to 225,101, 337,662.84 and 67,330.82 is: 100,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,101 : 337,662.84 = 67,330.82 : x
  2. Step 2: Convert to fraction form
    225,101/337,662.84 = 67,330.82/x
  3. Step 3: Cross multiply
    225,101x = 337,662.84 × 67,330.82
  4. Step 4: Simplify right side
    225,101x = 22,735,115,900.73
  5. Step 5: Solve for x
    x = 22,735,115,900.73/225,101
  6. Step 6: Final answer
    x = 100,999.62

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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.