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Finding the Fourth Proportional to 180,003.80, 269,940.90 and 91,227.80

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Solution

The fourth proportional to 180,003.80, 269,940.90 and 91,227.80 is: 136,808.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,003.80 : 269,940.90 = 91,227.80 : x
  2. Step 2: Convert to fraction form
    180,003.80/269,940.90 = 91,227.80/x
  3. Step 3: Cross multiply
    180,003.80x = 269,940.90 × 91,227.80
  4. Step 4: Simplify right side
    180,003.80x = 24,626,114,437.02
  5. Step 5: Solve for x
    x = 24,626,114,437.02/180,003.80
  6. Step 6: Final answer
    x = 136,808.86

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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.