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Finding the Fourth Proportional to 361,174.80, 541,466.48 and 136,407.62

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Solution

The fourth proportional to 361,174.80, 541,466.48 and 136,407.62 is: 204,499.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,174.80 : 541,466.48 = 136,407.62 : x
  2. Step 2: Convert to fraction form
    361,174.80/541,466.48 = 136,407.62/x
  3. Step 3: Cross multiply
    361,174.80x = 541,466.48 × 136,407.62
  4. Step 4: Simplify right side
    361,174.80x = 73,860,153,846.58
  5. Step 5: Solve for x
    x = 73,860,153,846.58/361,174.80
  6. Step 6: Final answer
    x = 204,499.74

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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.