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Finding the Fourth Proportional to 135,857.52, 203,795.64 and 56,892.24

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Solution

The fourth proportional to 135,857.52, 203,795.64 and 56,892.24 is: 85,342.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,857.52 : 203,795.64 = 56,892.24 : x
  2. Step 2: Convert to fraction form
    135,857.52/203,795.64 = 56,892.24/x
  3. Step 3: Cross multiply
    135,857.52x = 203,795.64 × 56,892.24
  4. Step 4: Simplify right side
    135,857.52x = 11,594,389,158.39
  5. Step 5: Solve for x
    x = 11,594,389,158.39/135,857.52
  6. Step 6: Final answer
    x = 85,342.27

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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.