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Finding the Fourth Proportional to 225,883.79, 338,716.70 and 131,137.83

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Solution

The fourth proportional to 225,883.79, 338,716.70 and 131,137.83 is: 196,643.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,883.79 : 338,716.70 = 131,137.83 : x
  2. Step 2: Convert to fraction form
    225,883.79/338,716.70 = 131,137.83/x
  3. Step 3: Cross multiply
    225,883.79x = 338,716.70 × 131,137.83
  4. Step 4: Simplify right side
    225,883.79x = 44,418,572,367.07
  5. Step 5: Solve for x
    x = 44,418,572,367.07/225,883.79
  6. Step 6: Final answer
    x = 196,643.47

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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.