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Finding the Fourth Proportional to 89,794.37, 134,723.76 and 38,481.51

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Solution

The fourth proportional to 89,794.37, 134,723.76 and 38,481.51 is: 57,736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,794.37 : 134,723.76 = 38,481.51 : x
  2. Step 2: Convert to fraction form
    89,794.37/134,723.76 = 38,481.51/x
  3. Step 3: Cross multiply
    89,794.37x = 134,723.76 × 38,481.51
  4. Step 4: Simplify right side
    89,794.37x = 5,184,372,941.85
  5. Step 5: Solve for x
    x = 5,184,372,941.85/89,794.37
  6. Step 6: Final answer
    x = 57,736.06

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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.