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Finding the Fourth Proportional to 150,385.50, 225,593.49 and 55,640.70

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Solution

The fourth proportional to 150,385.50, 225,593.49 and 55,640.70 is: 83,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,385.50 : 225,593.49 = 55,640.70 : x
  2. Step 2: Convert to fraction form
    150,385.50/225,593.49 = 55,640.70/x
  3. Step 3: Cross multiply
    150,385.50x = 225,593.49 × 55,640.70
  4. Step 4: Simplify right side
    150,385.50x = 12,552,179,699.04
  5. Step 5: Solve for x
    x = 12,552,179,699.04/150,385.50
  6. Step 6: Final answer
    x = 83,466.69

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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.