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Finding the Fourth Proportional to 173,626.60, 260,388.70 and 68,410.60

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Solution

The fourth proportional to 173,626.60, 260,388.70 and 68,410.60 is: 102,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,626.60 : 260,388.70 = 68,410.60 : x
  2. Step 2: Convert to fraction form
    173,626.60/260,388.70 = 68,410.60/x
  3. Step 3: Cross multiply
    173,626.60x = 260,388.70 × 68,410.60
  4. Step 4: Simplify right side
    173,626.60x = 17,813,347,200.22
  5. Step 5: Solve for x
    x = 17,813,347,200.22/173,626.60
  6. Step 6: Final answer
    x = 102,595.73

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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.