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Finding the Fourth Proportional to 283,858,596.88, 425,859,811.06 and 87,131,983.88

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Solution

The fourth proportional to 283,858,596.88, 425,859,811.06 and 87,131,983.88 is: 130,720,050.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,858,596.88 : 425,859,811.06 = 87,131,983.88 : x
  2. Step 2: Convert to fraction form
    283,858,596.88/425,859,811.06 = 87,131,983.88/x
  3. Step 3: Cross multiply
    283,858,596.88x = 425,859,811.06 × 87,131,983.88
  4. Step 4: Simplify right side
    283,858,596.88x = 37,106,010,192,419,760
  5. Step 5: Solve for x
    x = 37,106,010,192,419,760/283,858,596.88
  6. Step 6: Final answer
    x = 130,720,050.76

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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.