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Finding the Fourth Proportional to 171,540.14, 236,737.85 and 103,573.64

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Solution

The fourth proportional to 171,540.14, 236,737.85 and 103,573.64 is: 142,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,540.14 : 236,737.85 = 103,573.64 : x
  2. Step 2: Convert to fraction form
    171,540.14/236,737.85 = 103,573.64/x
  3. Step 3: Cross multiply
    171,540.14x = 236,737.85 × 103,573.64
  4. Step 4: Simplify right side
    171,540.14x = 24,519,800,850.27
  5. Step 5: Solve for x
    x = 24,519,800,850.27/171,540.14
  6. Step 6: Final answer
    x = 142,939.14

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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.