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Finding the Fourth Proportional to 173,635.35, 260,463.11 and 67,019.91

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Solution

The fourth proportional to 173,635.35, 260,463.11 and 67,019.91 is: 100,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,635.35 : 260,463.11 = 67,019.91 : x
  2. Step 2: Convert to fraction form
    173,635.35/260,463.11 = 67,019.91/x
  3. Step 3: Cross multiply
    173,635.35x = 260,463.11 × 67,019.91
  4. Step 4: Simplify right side
    173,635.35x = 17,456,214,190.52
  5. Step 5: Solve for x
    x = 17,456,214,190.52/173,635.35
  6. Step 6: Final answer
    x = 100,533.76

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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.