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Finding the Fourth Proportional to 203,365.98, 280,499.33 and 134,375.54

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Solution

The fourth proportional to 203,365.98, 280,499.33 and 134,375.54 is: 185,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,365.98 : 280,499.33 = 134,375.54 : x
  2. Step 2: Convert to fraction form
    203,365.98/280,499.33 = 134,375.54/x
  3. Step 3: Cross multiply
    203,365.98x = 280,499.33 × 134,375.54
  4. Step 4: Simplify right side
    203,365.98x = 37,692,247,901.20
  5. Step 5: Solve for x
    x = 37,692,247,901.20/203,365.98
  6. Step 6: Final answer
    x = 185,341.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.