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Finding the Fourth Proportional to 125,471.34, 188,255.97 and 55,301.22

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Solution

The fourth proportional to 125,471.34, 188,255.97 and 55,301.22 is: 82,973.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,471.34 : 188,255.97 = 55,301.22 : x
  2. Step 2: Convert to fraction form
    125,471.34/188,255.97 = 55,301.22/x
  3. Step 3: Cross multiply
    125,471.34x = 188,255.97 × 55,301.22
  4. Step 4: Simplify right side
    125,471.34x = 10,410,784,813.28
  5. Step 5: Solve for x
    x = 10,410,784,813.28/125,471.34
  6. Step 6: Final answer
    x = 82,973.41

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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.