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Finding the Fourth Proportional to 173,750.80, 260,626.20 and 68,556.10

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Solution

The fourth proportional to 173,750.80, 260,626.20 and 68,556.10 is: 102,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,750.80 : 260,626.20 = 68,556.10 : x
  2. Step 2: Convert to fraction form
    173,750.80/260,626.20 = 68,556.10/x
  3. Step 3: Cross multiply
    173,750.80x = 260,626.20 × 68,556.10
  4. Step 4: Simplify right side
    173,750.80x = 17,867,515,829.82
  5. Step 5: Solve for x
    x = 17,867,515,829.82/173,750.80
  6. Step 6: Final answer
    x = 102,834.15

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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.