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Finding the Fourth Proportional to 168,499.85, 252,569.95 and 84,093.80

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Solution

The fourth proportional to 168,499.85, 252,569.95 and 84,093.80 is: 126,050.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,499.85 : 252,569.95 = 84,093.80 : x
  2. Step 2: Convert to fraction form
    168,499.85/252,569.95 = 84,093.80/x
  3. Step 3: Cross multiply
    168,499.85x = 252,569.95 × 84,093.80
  4. Step 4: Simplify right side
    168,499.85x = 21,239,565,388.23
  5. Step 5: Solve for x
    x = 21,239,565,388.23/168,499.85
  6. Step 6: Final answer
    x = 126,050.95

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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.