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Finding the Fourth Proportional to 168,600.93, 253,026.08 and 79,854.59

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Solution

The fourth proportional to 168,600.93, 253,026.08 and 79,854.59 is: 119,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,600.93 : 253,026.08 = 79,854.59 : x
  2. Step 2: Convert to fraction form
    168,600.93/253,026.08 = 79,854.59/x
  3. Step 3: Cross multiply
    168,600.93x = 253,026.08 × 79,854.59
  4. Step 4: Simplify right side
    168,600.93x = 20,205,292,213.30
  5. Step 5: Solve for x
    x = 20,205,292,213.30/168,600.93
  6. Step 6: Final answer
    x = 119,840.93

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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.