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Finding the Fourth Proportional to 166,689.20, 250,058.10 and 54,350.30

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Solution

The fourth proportional to 166,689.20, 250,058.10 and 54,350.30 is: 81,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,689.20 : 250,058.10 = 54,350.30 : x
  2. Step 2: Convert to fraction form
    166,689.20/250,058.10 = 54,350.30/x
  3. Step 3: Cross multiply
    166,689.20x = 250,058.10 × 54,350.30
  4. Step 4: Simplify right side
    166,689.20x = 13,590,732,752.43
  5. Step 5: Solve for x
    x = 13,590,732,752.43/166,689.20
  6. Step 6: Final answer
    x = 81,533.37

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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.