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Finding the Fourth Proportional to 70,003.33, 104,983.12 and 30,549.85

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Solution

The fourth proportional to 70,003.33, 104,983.12 and 30,549.85 is: 45,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.33 : 104,983.12 = 30,549.85 : x
  2. Step 2: Convert to fraction form
    70,003.33/104,983.12 = 30,549.85/x
  3. Step 3: Cross multiply
    70,003.33x = 104,983.12 × 30,549.85
  4. Step 4: Simplify right side
    70,003.33x = 3,207,218,568.53
  5. Step 5: Solve for x
    x = 3,207,218,568.53/70,003.33
  6. Step 6: Final answer
    x = 45,815.23

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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.