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Finding the Fourth Proportional to 247,698.30, 371,546.77 and 70,206.85

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Solution

The fourth proportional to 247,698.30, 371,546.77 and 70,206.85 is: 105,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,698.30 : 371,546.77 = 70,206.85 : x
  2. Step 2: Convert to fraction form
    247,698.30/371,546.77 = 70,206.85/x
  3. Step 3: Cross multiply
    247,698.30x = 371,546.77 × 70,206.85
  4. Step 4: Simplify right side
    247,698.30x = 26,085,127,244.99
  5. Step 5: Solve for x
    x = 26,085,127,244.99/247,698.30
  6. Step 6: Final answer
    x = 105,310.08

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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.