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Finding the Fourth Proportional to 168,798.80, 253,198.20 and 44,139.80

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Solution

The fourth proportional to 168,798.80, 253,198.20 and 44,139.80 is: 66,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,798.80 : 253,198.20 = 44,139.80 : x
  2. Step 2: Convert to fraction form
    168,798.80/253,198.20 = 44,139.80/x
  3. Step 3: Cross multiply
    168,798.80x = 253,198.20 × 44,139.80
  4. Step 4: Simplify right side
    168,798.80x = 11,176,117,908.36
  5. Step 5: Solve for x
    x = 11,176,117,908.36/168,798.80
  6. Step 6: Final answer
    x = 66,209.70

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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.