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Finding the Fourth Proportional to 281,725.79, 422,725.37 and 123,933.74

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Solution

The fourth proportional to 281,725.79, 422,725.37 and 123,933.74 is: 185,960.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,725.79 : 422,725.37 = 123,933.74 : x
  2. Step 2: Convert to fraction form
    281,725.79/422,725.37 = 123,933.74/x
  3. Step 3: Cross multiply
    281,725.79x = 422,725.37 × 123,933.74
  4. Step 4: Simplify right side
    281,725.79x = 52,389,933,363.69
  5. Step 5: Solve for x
    x = 52,389,933,363.69/281,725.79
  6. Step 6: Final answer
    x = 185,960.73

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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.