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Finding the Fourth Proportional to 99,797.59, 149,726.84 and 59,860.92

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Solution

The fourth proportional to 99,797.59, 149,726.84 and 59,860.92 is: 89,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,797.59 : 149,726.84 = 59,860.92 : x
  2. Step 2: Convert to fraction form
    99,797.59/149,726.84 = 59,860.92/x
  3. Step 3: Cross multiply
    99,797.59x = 149,726.84 × 59,860.92
  4. Step 4: Simplify right side
    99,797.59x = 8,962,786,765.41
  5. Step 5: Solve for x
    x = 8,962,786,765.41/99,797.59
  6. Step 6: Final answer
    x = 89,809.65

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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.