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Finding the Fourth Proportional to 83,179.99, 124,751.64 and 24,002.80

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Solution

The fourth proportional to 83,179.99, 124,751.64 and 24,002.80 is: 35,998.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,179.99 : 124,751.64 = 24,002.80 : x
  2. Step 2: Convert to fraction form
    83,179.99/124,751.64 = 24,002.80/x
  3. Step 3: Cross multiply
    83,179.99x = 124,751.64 × 24,002.80
  4. Step 4: Simplify right side
    83,179.99x = 2,994,388,664.59
  5. Step 5: Solve for x
    x = 2,994,388,664.59/83,179.99
  6. Step 6: Final answer
    x = 35,998.91

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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.