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Finding the Fourth Proportional to 96,556.53, 133,255.86 and 53,540.30

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Solution

The fourth proportional to 96,556.53, 133,255.86 and 53,540.30 is: 73,889.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,556.53 : 133,255.86 = 53,540.30 : x
  2. Step 2: Convert to fraction form
    96,556.53/133,255.86 = 53,540.30/x
  3. Step 3: Cross multiply
    96,556.53x = 133,255.86 × 53,540.30
  4. Step 4: Simplify right side
    96,556.53x = 7,134,558,721.16
  5. Step 5: Solve for x
    x = 7,134,558,721.16/96,556.53
  6. Step 6: Final answer
    x = 73,889.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.