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Finding the Fourth Proportional to 168,802.65, 253,273.82 and 73,983.83

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Solution

The fourth proportional to 168,802.65, 253,273.82 and 73,983.83 is: 111,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,802.65 : 253,273.82 = 73,983.83 : x
  2. Step 2: Convert to fraction form
    168,802.65/253,273.82 = 73,983.83/x
  3. Step 3: Cross multiply
    168,802.65x = 253,273.82 × 73,983.83
  4. Step 4: Simplify right side
    168,802.65x = 18,738,165,606.04
  5. Step 5: Solve for x
    x = 18,738,165,606.04/168,802.65
  6. Step 6: Final answer
    x = 111,006.35

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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.