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Finding the Fourth Proportional to 104,745.69, 157,118.87 and 25,859.93

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Solution

The fourth proportional to 104,745.69, 157,118.87 and 25,859.93 is: 38,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,745.69 : 157,118.87 = 25,859.93 : x
  2. Step 2: Convert to fraction form
    104,745.69/157,118.87 = 25,859.93/x
  3. Step 3: Cross multiply
    104,745.69x = 157,118.87 × 25,859.93
  4. Step 4: Simplify right side
    104,745.69x = 4,063,082,979.88
  5. Step 5: Solve for x
    x = 4,063,082,979.88/104,745.69
  6. Step 6: Final answer
    x = 38,789.98

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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.