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Finding the Fourth Proportional to 133,281.20, 199,932.12 and 44,535.01

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Solution

The fourth proportional to 133,281.20, 199,932.12 and 44,535.01 is: 66,805.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,281.20 : 199,932.12 = 44,535.01 : x
  2. Step 2: Convert to fraction form
    133,281.20/199,932.12 = 44,535.01/x
  3. Step 3: Cross multiply
    133,281.20x = 199,932.12 × 44,535.01
  4. Step 4: Simplify right side
    133,281.20x = 8,903,978,963.52
  5. Step 5: Solve for x
    x = 8,903,978,963.52/133,281.20
  6. Step 6: Final answer
    x = 66,805.96

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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.