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Finding the Fourth Proportional to 135,884.58, 203,850.74 and 51,652.10

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Solution

The fourth proportional to 135,884.58, 203,850.74 and 51,652.10 is: 77,487.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,884.58 : 203,850.74 = 51,652.10 : x
  2. Step 2: Convert to fraction form
    135,884.58/203,850.74 = 51,652.10/x
  3. Step 3: Cross multiply
    135,884.58x = 203,850.74 × 51,652.10
  4. Step 4: Simplify right side
    135,884.58x = 10,529,319,446.31
  5. Step 5: Solve for x
    x = 10,529,319,446.31/135,884.58
  6. Step 6: Final answer
    x = 77,487.23

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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.