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Finding the Fourth Proportional to 104,073.57, 143,471.34 and 68,201.33

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Solution

The fourth proportional to 104,073.57, 143,471.34 and 68,201.33 is: 94,019.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,073.57 : 143,471.34 = 68,201.33 : x
  2. Step 2: Convert to fraction form
    104,073.57/143,471.34 = 68,201.33/x
  3. Step 3: Cross multiply
    104,073.57x = 143,471.34 × 68,201.33
  4. Step 4: Simplify right side
    104,073.57x = 9,784,935,487.53
  5. Step 5: Solve for x
    x = 9,784,935,487.53/104,073.57
  6. Step 6: Final answer
    x = 94,019.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.