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Finding the Fourth Proportional to 133,043.20, 199,583.03 and 44,287.45

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Solution

The fourth proportional to 133,043.20, 199,583.03 and 44,287.45 is: 66,437.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.20 : 199,583.03 = 44,287.45 : x
  2. Step 2: Convert to fraction form
    133,043.20/199,583.03 = 44,287.45/x
  3. Step 3: Cross multiply
    133,043.20x = 199,583.03 × 44,287.45
  4. Step 4: Simplify right side
    133,043.20x = 8,839,023,461.97
  5. Step 5: Solve for x
    x = 8,839,023,461.97/133,043.20
  6. Step 6: Final answer
    x = 66,437.24

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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.