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Finding the Fourth Proportional to 225,499.88, 311,186.46 and 123,524.54

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Solution

The fourth proportional to 225,499.88, 311,186.46 and 123,524.54 is: 170,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,499.88 : 311,186.46 = 123,524.54 : x
  2. Step 2: Convert to fraction form
    225,499.88/311,186.46 = 123,524.54/x
  3. Step 3: Cross multiply
    225,499.88x = 311,186.46 × 123,524.54
  4. Step 4: Simplify right side
    225,499.88x = 38,439,164,325.73
  5. Step 5: Solve for x
    x = 38,439,164,325.73/225,499.88
  6. Step 6: Final answer
    x = 170,462.02

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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.