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Finding the Fourth Proportional to 362,833.79, 544,299.96 and 126,145.85

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Solution

The fourth proportional to 362,833.79, 544,299.96 and 126,145.85 is: 189,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,833.79 : 544,299.96 = 126,145.85 : x
  2. Step 2: Convert to fraction form
    362,833.79/544,299.96 = 126,145.85/x
  3. Step 3: Cross multiply
    362,833.79x = 544,299.96 × 126,145.85
  4. Step 4: Simplify right side
    362,833.79x = 68,661,181,109.17
  5. Step 5: Solve for x
    x = 68,661,181,109.17/362,833.79
  6. Step 6: Final answer
    x = 189,235.91

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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.