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Finding the Fourth Proportional to 133,043.48, 199,507.02 and 49,879.16

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Solution

The fourth proportional to 133,043.48, 199,507.02 and 49,879.16 is: 74,796.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,043.48 : 199,507.02 = 49,879.16 : x
  2. Step 2: Convert to fraction form
    133,043.48/199,507.02 = 49,879.16/x
  3. Step 3: Cross multiply
    133,043.48x = 199,507.02 × 49,879.16
  4. Step 4: Simplify right side
    133,043.48x = 9,951,242,571.70
  5. Step 5: Solve for x
    x = 9,951,242,571.70/133,043.48
  6. Step 6: Final answer
    x = 74,796.92

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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.