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Finding the Fourth Proportional to 247,251.62, 370,944.02 and 127,243.19

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Solution

The fourth proportional to 247,251.62, 370,944.02 and 127,243.19 is: 190,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,251.62 : 370,944.02 = 127,243.19 : x
  2. Step 2: Convert to fraction form
    247,251.62/370,944.02 = 127,243.19/x
  3. Step 3: Cross multiply
    247,251.62x = 370,944.02 × 127,243.19
  4. Step 4: Simplify right side
    247,251.62x = 47,200,101,661.69
  5. Step 5: Solve for x
    x = 47,200,101,661.69/247,251.62
  6. Step 6: Final answer
    x = 190,899.06

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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.