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Finding the Fourth Proportional to 223,737.53, 335,407.25 and 81,556.10

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Solution

The fourth proportional to 223,737.53, 335,407.25 and 81,556.10 is: 122,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,737.53 : 335,407.25 = 81,556.10 : x
  2. Step 2: Convert to fraction form
    223,737.53/335,407.25 = 81,556.10/x
  3. Step 3: Cross multiply
    223,737.53x = 335,407.25 × 81,556.10
  4. Step 4: Simplify right side
    223,737.53x = 27,354,505,136.91
  5. Step 5: Solve for x
    x = 27,354,505,136.91/223,737.53
  6. Step 6: Final answer
    x = 122,261.59

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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.