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Finding the Fourth Proportional to 226,887.70, 312,872.95 and 150,380.23

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Solution

The fourth proportional to 226,887.70, 312,872.95 and 150,380.23 is: 207,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,887.70 : 312,872.95 = 150,380.23 : x
  2. Step 2: Convert to fraction form
    226,887.70/312,872.95 = 150,380.23/x
  3. Step 3: Cross multiply
    226,887.70x = 312,872.95 × 150,380.23
  4. Step 4: Simplify right side
    226,887.70x = 47,049,905,805.83
  5. Step 5: Solve for x
    x = 47,049,905,805.83/226,887.70
  6. Step 6: Final answer
    x = 207,370.90

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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.