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Finding the Fourth Proportional to 241,199.94, 361,544.67 and 81,123.48

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Solution

The fourth proportional to 241,199.94, 361,544.67 and 81,123.48 is: 121,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,199.94 : 361,544.67 = 81,123.48 : x
  2. Step 2: Convert to fraction form
    241,199.94/361,544.67 = 81,123.48/x
  3. Step 3: Cross multiply
    241,199.94x = 361,544.67 × 81,123.48
  4. Step 4: Simplify right side
    241,199.94x = 29,329,761,805.85
  5. Step 5: Solve for x
    x = 29,329,761,805.85/241,199.94
  6. Step 6: Final answer
    x = 121,599.37

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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.