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Finding the Fourth Proportional to 79,989.88, 119,910.03 and 35,592.52

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Solution

The fourth proportional to 79,989.88, 119,910.03 and 35,592.52 is: 53,355.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,989.88 : 119,910.03 = 35,592.52 : x
  2. Step 2: Convert to fraction form
    79,989.88/119,910.03 = 35,592.52/x
  3. Step 3: Cross multiply
    79,989.88x = 119,910.03 × 35,592.52
  4. Step 4: Simplify right side
    79,989.88x = 4,267,900,140.98
  5. Step 5: Solve for x
    x = 4,267,900,140.98/79,989.88
  6. Step 6: Final answer
    x = 53,355.50

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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.