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Finding the Fourth Proportional to 412,751.36, 619,127.83 and 113,236.04

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Solution

The fourth proportional to 412,751.36, 619,127.83 and 113,236.04 is: 169,854.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,751.36 : 619,127.83 = 113,236.04 : x
  2. Step 2: Convert to fraction form
    412,751.36/619,127.83 = 113,236.04/x
  3. Step 3: Cross multiply
    412,751.36x = 619,127.83 × 113,236.04
  4. Step 4: Simplify right side
    412,751.36x = 70,107,583,722.99
  5. Step 5: Solve for x
    x = 70,107,583,722.99/412,751.36
  6. Step 6: Final answer
    x = 169,854.28

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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.