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Finding the Fourth Proportional to 168,562.69, 252,754.20 and 73,681.83

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Solution

The fourth proportional to 168,562.69, 252,754.20 and 73,681.83 is: 110,483.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,562.69 : 252,754.20 = 73,681.83 : x
  2. Step 2: Convert to fraction form
    168,562.69/252,754.20 = 73,681.83/x
  3. Step 3: Cross multiply
    168,562.69x = 252,754.20 × 73,681.83
  4. Step 4: Simplify right side
    168,562.69x = 18,623,391,996.19
  5. Step 5: Solve for x
    x = 18,623,391,996.19/168,562.69
  6. Step 6: Final answer
    x = 110,483.48

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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.