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Finding the Fourth Proportional to 333,143.88, 499,716.02 and 83,825.88

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Solution

The fourth proportional to 333,143.88, 499,716.02 and 83,825.88 is: 125,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,143.88 : 499,716.02 = 83,825.88 : x
  2. Step 2: Convert to fraction form
    333,143.88/499,716.02 = 83,825.88/x
  3. Step 3: Cross multiply
    333,143.88x = 499,716.02 × 83,825.88
  4. Step 4: Simplify right side
    333,143.88x = 41,889,135,126.60
  5. Step 5: Solve for x
    x = 41,889,135,126.60/333,143.88
  6. Step 6: Final answer
    x = 125,738.87

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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.