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Finding the Fourth Proportional to 115,523.80, 173,285.70 and 36,644.20

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Solution

The fourth proportional to 115,523.80, 173,285.70 and 36,644.20 is: 54,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,523.80 : 173,285.70 = 36,644.20 : x
  2. Step 2: Convert to fraction form
    115,523.80/173,285.70 = 36,644.20/x
  3. Step 3: Cross multiply
    115,523.80x = 173,285.70 × 36,644.20
  4. Step 4: Simplify right side
    115,523.80x = 6,349,915,847.94
  5. Step 5: Solve for x
    x = 6,349,915,847.94/115,523.80
  6. Step 6: Final answer
    x = 54,966.30

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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.