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Finding the Fourth Proportional to 173,667.74, 260,351.84 and 67,126.46

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Solution

The fourth proportional to 173,667.74, 260,351.84 and 67,126.46 is: 100,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,667.74 : 260,351.84 = 67,126.46 : x
  2. Step 2: Convert to fraction form
    173,667.74/260,351.84 = 67,126.46/x
  3. Step 3: Cross multiply
    173,667.74x = 260,351.84 × 67,126.46
  4. Step 4: Simplify right side
    173,667.74x = 17,476,496,239.74
  5. Step 5: Solve for x
    x = 17,476,496,239.74/173,667.74
  6. Step 6: Final answer
    x = 100,631.80

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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.