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Finding the Fourth Proportional to 168,437.36, 252,734.97 and 73,655.39

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Solution

The fourth proportional to 168,437.36, 252,734.97 and 73,655.39 is: 110,517.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,437.36 : 252,734.97 = 73,655.39 : x
  2. Step 2: Convert to fraction form
    168,437.36/252,734.97 = 73,655.39/x
  3. Step 3: Cross multiply
    168,437.36x = 252,734.97 × 73,655.39
  4. Step 4: Simplify right side
    168,437.36x = 18,615,292,781.99
  5. Step 5: Solve for x
    x = 18,615,292,781.99/168,437.36
  6. Step 6: Final answer
    x = 110,517.60

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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.