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Finding the Fourth Proportional to 173,019.60, 259,723.80 and 133,750.80

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Solution

The fourth proportional to 173,019.60, 259,723.80 and 133,750.80 is: 200,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,019.60 : 259,723.80 = 133,750.80 : x
  2. Step 2: Convert to fraction form
    173,019.60/259,723.80 = 133,750.80/x
  3. Step 3: Cross multiply
    173,019.60x = 259,723.80 × 133,750.80
  4. Step 4: Simplify right side
    173,019.60x = 34,738,266,029.04
  5. Step 5: Solve for x
    x = 34,738,266,029.04/173,019.60
  6. Step 6: Final answer
    x = 200,776.48

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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.