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Finding the Fourth Proportional to 262,889.85, 394,426.36 and 83,003.03

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Solution

The fourth proportional to 262,889.85, 394,426.36 and 83,003.03 is: 124,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,889.85 : 394,426.36 = 83,003.03 : x
  2. Step 2: Convert to fraction form
    262,889.85/394,426.36 = 83,003.03/x
  3. Step 3: Cross multiply
    262,889.85x = 394,426.36 × 83,003.03
  4. Step 4: Simplify right side
    262,889.85x = 32,738,582,602.59
  5. Step 5: Solve for x
    x = 32,738,582,602.59/262,889.85
  6. Step 6: Final answer
    x = 124,533.46

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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.