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Finding the Fourth Proportional to 361,488.92, 541,857.36 and 121,424.66

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Solution

The fourth proportional to 361,488.92, 541,857.36 and 121,424.66 is: 182,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,488.92 : 541,857.36 = 121,424.66 : x
  2. Step 2: Convert to fraction form
    361,488.92/541,857.36 = 121,424.66/x
  3. Step 3: Cross multiply
    361,488.92x = 541,857.36 × 121,424.66
  4. Step 4: Simplify right side
    361,488.92x = 65,794,845,706.50
  5. Step 5: Solve for x
    x = 65,794,845,706.50/361,488.92
  6. Step 6: Final answer
    x = 182,010.68

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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.