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Finding the Fourth Proportional to 225,002.40, 337,244.40 and 91,816.80

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Solution

The fourth proportional to 225,002.40, 337,244.40 and 91,816.80 is: 137,619.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,002.40 : 337,244.40 = 91,816.80 : x
  2. Step 2: Convert to fraction form
    225,002.40/337,244.40 = 91,816.80/x
  3. Step 3: Cross multiply
    225,002.40x = 337,244.40 × 91,816.80
  4. Step 4: Simplify right side
    225,002.40x = 30,964,701,625.92
  5. Step 5: Solve for x
    x = 30,964,701,625.92/225,002.40
  6. Step 6: Final answer
    x = 137,619.43

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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.