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Finding the Fourth Proportional to 101,773.20, 152,634.91 and 79,531.41

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Solution

The fourth proportional to 101,773.20, 152,634.91 and 79,531.41 is: 119,277.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,773.20 : 152,634.91 = 79,531.41 : x
  2. Step 2: Convert to fraction form
    101,773.20/152,634.91 = 79,531.41/x
  3. Step 3: Cross multiply
    101,773.20x = 152,634.91 × 79,531.41
  4. Step 4: Simplify right side
    101,773.20x = 12,139,269,607.52
  5. Step 5: Solve for x
    x = 12,139,269,607.52/101,773.20
  6. Step 6: Final answer
    x = 119,277.66

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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.