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Finding the Fourth Proportional to 173,879.26, 260,911.23 and 68,699.14

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Solution

The fourth proportional to 173,879.26, 260,911.23 and 68,699.14 is: 103,085.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,879.26 : 260,911.23 = 68,699.14 : x
  2. Step 2: Convert to fraction form
    173,879.26/260,911.23 = 68,699.14/x
  3. Step 3: Cross multiply
    173,879.26x = 260,911.23 × 68,699.14
  4. Step 4: Simplify right side
    173,879.26x = 17,924,376,207.44
  5. Step 5: Solve for x
    x = 17,924,376,207.44/173,879.26
  6. Step 6: Final answer
    x = 103,085.19

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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.