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Finding the Fourth Proportional to 283,552.97, 425,329.47 and 83,857.81

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Solution

The fourth proportional to 283,552.97, 425,329.47 and 83,857.81 is: 125,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,552.97 : 425,329.47 = 83,857.81 : x
  2. Step 2: Convert to fraction form
    283,552.97/425,329.47 = 83,857.81/x
  3. Step 3: Cross multiply
    283,552.97x = 425,329.47 × 83,857.81
  4. Step 4: Simplify right side
    283,552.97x = 35,667,197,882.66
  5. Step 5: Solve for x
    x = 35,667,197,882.66/283,552.97
  6. Step 6: Final answer
    x = 125,786.72

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Similar ratio
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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.