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Finding the Fourth Proportional to 321,262.36, 481,901.30 and 108,033.06

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Solution

The fourth proportional to 321,262.36, 481,901.30 and 108,033.06 is: 162,052.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,262.36 : 481,901.30 = 108,033.06 : x
  2. Step 2: Convert to fraction form
    321,262.36/481,901.30 = 108,033.06/x
  3. Step 3: Cross multiply
    321,262.36x = 481,901.30 × 108,033.06
  4. Step 4: Simplify right side
    321,262.36x = 52,061,272,056.98
  5. Step 5: Solve for x
    x = 52,061,272,056.98/321,262.36
  6. Step 6: Final answer
    x = 162,052.20

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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.