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Finding the Fourth Proportional to 168,806.80, 253,051.80 and 63,696.40

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Solution

The fourth proportional to 168,806.80, 253,051.80 and 63,696.40 is: 95,484.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,806.80 : 253,051.80 = 63,696.40 : x
  2. Step 2: Convert to fraction form
    168,806.80/253,051.80 = 63,696.40/x
  3. Step 3: Cross multiply
    168,806.80x = 253,051.80 × 63,696.40
  4. Step 4: Simplify right side
    168,806.80x = 16,118,488,673.52
  5. Step 5: Solve for x
    x = 16,118,488,673.52/168,806.80
  6. Step 6: Final answer
    x = 95,484.83

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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.