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Finding the Fourth Proportional to 171,649.26, 257,473.89 and 140,025.24

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Solution

The fourth proportional to 171,649.26, 257,473.89 and 140,025.24 is: 210,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,649.26 : 257,473.89 = 140,025.24 : x
  2. Step 2: Convert to fraction form
    171,649.26/257,473.89 = 140,025.24/x
  3. Step 3: Cross multiply
    171,649.26x = 257,473.89 × 140,025.24
  4. Step 4: Simplify right side
    171,649.26x = 36,052,843,240.98
  5. Step 5: Solve for x
    x = 36,052,843,240.98/171,649.26
  6. Step 6: Final answer
    x = 210,037.86

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1.5x scale

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.