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Finding the Fourth Proportional to 203,559.57, 305,054.91 and 173,416.77

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Solution

The fourth proportional to 203,559.57, 305,054.91 and 173,416.77 is: 259,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,559.57 : 305,054.91 = 173,416.77 : x
  2. Step 2: Convert to fraction form
    203,559.57/305,054.91 = 173,416.77/x
  3. Step 3: Cross multiply
    203,559.57x = 305,054.91 × 173,416.77
  4. Step 4: Simplify right side
    203,559.57x = 52,901,637,164.84
  5. Step 5: Solve for x
    x = 52,901,637,164.84/203,559.57
  6. Step 6: Final answer
    x = 259,882.83

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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.