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Finding the Fourth Proportional to 241,251.82, 361,772.59 and 81,297.94

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Solution

The fourth proportional to 241,251.82, 361,772.59 and 81,297.94 is: 121,911.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,251.82 : 361,772.59 = 81,297.94 : x
  2. Step 2: Convert to fraction form
    241,251.82/361,772.59 = 81,297.94/x
  3. Step 3: Cross multiply
    241,251.82x = 361,772.59 × 81,297.94
  4. Step 4: Simplify right side
    241,251.82x = 29,411,366,315.46
  5. Step 5: Solve for x
    x = 29,411,366,315.46/241,251.82
  6. Step 6: Final answer
    x = 121,911.48

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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.