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Finding the Fourth Proportional to 115,601.80, 173,402.70 and 36,722.20

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Solution

The fourth proportional to 115,601.80, 173,402.70 and 36,722.20 is: 55,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,601.80 : 173,402.70 = 36,722.20 : x
  2. Step 2: Convert to fraction form
    115,601.80/173,402.70 = 36,722.20/x
  3. Step 3: Cross multiply
    115,601.80x = 173,402.70 × 36,722.20
  4. Step 4: Simplify right side
    115,601.80x = 6,367,728,629.94
  5. Step 5: Solve for x
    x = 6,367,728,629.94/115,601.80
  6. Step 6: Final answer
    x = 55,083.30

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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.