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Finding the Fourth Proportional to 168,651.74, 252,390.75 and 104,579.93

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Solution

The fourth proportional to 168,651.74, 252,390.75 and 104,579.93 is: 156,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,651.74 : 252,390.75 = 104,579.93 : x
  2. Step 2: Convert to fraction form
    168,651.74/252,390.75 = 104,579.93/x
  3. Step 3: Cross multiply
    168,651.74x = 252,390.75 × 104,579.93
  4. Step 4: Simplify right side
    168,651.74x = 26,395,005,705.69
  5. Step 5: Solve for x
    x = 26,395,005,705.69/168,651.74
  6. Step 6: Final answer
    x = 156,505.98

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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.