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Finding the Fourth Proportional to 133,044.15, 199,620.90 and 48,844.65

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Solution

The fourth proportional to 133,044.15, 199,620.90 and 48,844.65 is: 73,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,044.15 : 199,620.90 = 48,844.65 : x
  2. Step 2: Convert to fraction form
    133,044.15/199,620.90 = 48,844.65/x
  3. Step 3: Cross multiply
    133,044.15x = 199,620.90 × 48,844.65
  4. Step 4: Simplify right side
    133,044.15x = 9,750,412,993.19
  5. Step 5: Solve for x
    x = 9,750,412,993.19/133,044.15
  6. Step 6: Final answer
    x = 73,287.05

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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.