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Finding the Fourth Proportional to 168,484.48, 252,601.86 and 79,634.17

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Solution

The fourth proportional to 168,484.48, 252,601.86 and 79,634.17 is: 119,392.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,484.48 : 252,601.86 = 79,634.17 : x
  2. Step 2: Convert to fraction form
    168,484.48/252,601.86 = 79,634.17/x
  3. Step 3: Cross multiply
    168,484.48x = 252,601.86 × 79,634.17
  4. Step 4: Simplify right side
    168,484.48x = 20,115,739,461.56
  5. Step 5: Solve for x
    x = 20,115,739,461.56/168,484.48
  6. Step 6: Final answer
    x = 119,392.24

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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.