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Finding the Fourth Proportional to 247,043.35, 370,474.25 and 84,891.41

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Solution

The fourth proportional to 247,043.35, 370,474.25 and 84,891.41 is: 127,305.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,043.35 : 370,474.25 = 84,891.41 : x
  2. Step 2: Convert to fraction form
    247,043.35/370,474.25 = 84,891.41/x
  3. Step 3: Cross multiply
    247,043.35x = 370,474.25 × 84,891.41
  4. Step 4: Simplify right side
    247,043.35x = 31,450,081,451.19
  5. Step 5: Solve for x
    x = 31,450,081,451.19/247,043.35
  6. Step 6: Final answer
    x = 127,305.92

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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.