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Finding the Fourth Proportional to 171,679.54, 236,893.80 and 100,004.26

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Solution

The fourth proportional to 171,679.54, 236,893.80 and 100,004.26 is: 137,991.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,679.54 : 236,893.80 = 100,004.26 : x
  2. Step 2: Convert to fraction form
    171,679.54/236,893.80 = 100,004.26/x
  3. Step 3: Cross multiply
    171,679.54x = 236,893.80 × 100,004.26
  4. Step 4: Simplify right side
    171,679.54x = 23,690,389,167.59
  5. Step 5: Solve for x
    x = 23,690,389,167.59/171,679.54
  6. Step 6: Final answer
    x = 137,991.92

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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.