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Finding the Fourth Proportional to 133,043.67, 199,392.23 and 54,065.56

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Solution

The fourth proportional to 133,043.67, 199,392.23 and 54,065.56 is: 81,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.67 : 199,392.23 = 54,065.56 : x
  2. Step 2: Convert to fraction form
    133,043.67/199,392.23 = 54,065.56/x
  3. Step 3: Cross multiply
    133,043.67x = 199,392.23 × 54,065.56
  4. Step 4: Simplify right side
    133,043.67x = 10,780,252,574.60
  5. Step 5: Solve for x
    x = 10,780,252,574.60/133,043.67
  6. Step 6: Final answer
    x = 81,027.93

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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.