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Finding the Fourth Proportional to 169,073.03, 253,658.94 and 75,556.91

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Solution

The fourth proportional to 169,073.03, 253,658.94 and 75,556.91 is: 113,357.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,073.03 : 253,658.94 = 75,556.91 : x
  2. Step 2: Convert to fraction form
    169,073.03/253,658.94 = 75,556.91/x
  3. Step 3: Cross multiply
    169,073.03x = 253,658.94 × 75,556.91
  4. Step 4: Simplify right side
    169,073.03x = 19,165,685,700.28
  5. Step 5: Solve for x
    x = 19,165,685,700.28/169,073.03
  6. Step 6: Final answer
    x = 113,357.44

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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.