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Finding the Fourth Proportional to 121,843.83, 182,794.91 and 61,722.39

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Solution

The fourth proportional to 121,843.83, 182,794.91 and 61,722.39 is: 92,598.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,843.83 : 182,794.91 = 61,722.39 : x
  2. Step 2: Convert to fraction form
    121,843.83/182,794.91 = 61,722.39/x
  3. Step 3: Cross multiply
    121,843.83x = 182,794.91 × 61,722.39
  4. Step 4: Simplify right side
    121,843.83x = 11,282,538,725.03
  5. Step 5: Solve for x
    x = 11,282,538,725.03/121,843.83
  6. Step 6: Final answer
    x = 92,598.36

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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.