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Finding the Fourth Proportional to 362,868.76, 544,550.82 and 126,209.08

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Solution

The fourth proportional to 362,868.76, 544,550.82 and 126,209.08 is: 189,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,868.76 : 544,550.82 = 126,209.08 : x
  2. Step 2: Convert to fraction form
    362,868.76/544,550.82 = 126,209.08/x
  3. Step 3: Cross multiply
    362,868.76x = 544,550.82 × 126,209.08
  4. Step 4: Simplify right side
    362,868.76x = 68,727,258,005.45
  5. Step 5: Solve for x
    x = 68,727,258,005.45/362,868.76
  6. Step 6: Final answer
    x = 189,399.77

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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.