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Finding the Fourth Proportional to 83,373, 125,021.70 and 35,965.73

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Solution

The fourth proportional to 83,373, 125,021.70 and 35,965.73 is: 53,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,373 : 125,021.70 = 35,965.73 : x
  2. Step 2: Convert to fraction form
    83,373/125,021.70 = 35,965.73/x
  3. Step 3: Cross multiply
    83,373x = 125,021.70 × 35,965.73
  4. Step 4: Simplify right side
    83,373x = 4,496,496,081.23
  5. Step 5: Solve for x
    x = 4,496,496,081.23/83,373
  6. Step 6: Final answer
    x = 53,932.28

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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.