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Finding the Fourth Proportional to 361,124.35, 541,390.97 and 136,357.25

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Solution

The fourth proportional to 361,124.35, 541,390.97 and 136,357.25 is: 204,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,124.35 : 541,390.97 = 136,357.25 : x
  2. Step 2: Convert to fraction form
    361,124.35/541,390.97 = 136,357.25/x
  3. Step 3: Cross multiply
    361,124.35x = 541,390.97 × 136,357.25
  4. Step 4: Simplify right side
    361,124.35x = 73,822,581,477.97
  5. Step 5: Solve for x
    x = 73,822,581,477.97/361,124.35
  6. Step 6: Final answer
    x = 204,424.27

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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.