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Finding the Fourth Proportional to 125,960.20, 173,820.90 and 69,371.44

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Solution

The fourth proportional to 125,960.20, 173,820.90 and 69,371.44 is: 95,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,960.20 : 173,820.90 = 69,371.44 : x
  2. Step 2: Convert to fraction form
    125,960.20/173,820.90 = 69,371.44/x
  3. Step 3: Cross multiply
    125,960.20x = 173,820.90 × 69,371.44
  4. Step 4: Simplify right side
    125,960.20x = 12,058,206,135.10
  5. Step 5: Solve for x
    x = 12,058,206,135.10/125,960.20
  6. Step 6: Final answer
    x = 95,730.29

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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.