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Finding the Fourth Proportional to 231,269.93, 346,862.45 and 104,879.79

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Solution

The fourth proportional to 231,269.93, 346,862.45 and 104,879.79 is: 157,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,269.93 : 346,862.45 = 104,879.79 : x
  2. Step 2: Convert to fraction form
    231,269.93/346,862.45 = 104,879.79/x
  3. Step 3: Cross multiply
    231,269.93x = 346,862.45 × 104,879.79
  4. Step 4: Simplify right side
    231,269.93x = 36,378,860,201.53
  5. Step 5: Solve for x
    x = 36,378,860,201.53/231,269.93
  6. Step 6: Final answer
    x = 157,300.43

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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.