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Finding the Fourth Proportional to 135,662.66, 203,503.74 and 35,821.86

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Solution

The fourth proportional to 135,662.66, 203,503.74 and 35,821.86 is: 53,735.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,662.66 : 203,503.74 = 35,821.86 : x
  2. Step 2: Convert to fraction form
    135,662.66/203,503.74 = 35,821.86/x
  3. Step 3: Cross multiply
    135,662.66x = 203,503.74 × 35,821.86
  4. Step 4: Simplify right side
    135,662.66x = 7,289,882,483.76
  5. Step 5: Solve for x
    x = 7,289,882,483.76/135,662.66
  6. Step 6: Final answer
    x = 53,735.36

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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.