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Finding the Fourth Proportional to 87,956.58, 131,860.74 and 59,797.74

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Solution

The fourth proportional to 87,956.58, 131,860.74 and 59,797.74 is: 89,646.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,956.58 : 131,860.74 = 59,797.74 : x
  2. Step 2: Convert to fraction form
    87,956.58/131,860.74 = 59,797.74/x
  3. Step 3: Cross multiply
    87,956.58x = 131,860.74 × 59,797.74
  4. Step 4: Simplify right side
    87,956.58x = 7,884,974,246.73
  5. Step 5: Solve for x
    x = 7,884,974,246.73/87,956.58
  6. Step 6: Final answer
    x = 89,646.21

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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.