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Finding the Fourth Proportional to 218,671.08, 327,840.22 and 92,349.96

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Solution

The fourth proportional to 218,671.08, 327,840.22 and 92,349.96 is: 138,454.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,671.08 : 327,840.22 = 92,349.96 : x
  2. Step 2: Convert to fraction form
    218,671.08/327,840.22 = 92,349.96/x
  3. Step 3: Cross multiply
    218,671.08x = 327,840.22 × 92,349.96
  4. Step 4: Simplify right side
    218,671.08x = 30,276,031,203.39
  5. Step 5: Solve for x
    x = 30,276,031,203.39/218,671.08
  6. Step 6: Final answer
    x = 138,454.67

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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.