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Finding the Fourth Proportional to 171,943.40, 257,331.90 and 150,948.20

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Solution

The fourth proportional to 171,943.40, 257,331.90 and 150,948.20 is: 225,910.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,943.40 : 257,331.90 = 150,948.20 : x
  2. Step 2: Convert to fraction form
    171,943.40/257,331.90 = 150,948.20/x
  3. Step 3: Cross multiply
    171,943.40x = 257,331.90 × 150,948.20
  4. Step 4: Simplify right side
    171,943.40x = 38,843,787,107.58
  5. Step 5: Solve for x
    x = 38,843,787,107.58/171,943.40
  6. Step 6: Final answer
    x = 225,910.31

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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.