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Finding the Fourth Proportional to 135,850.02, 203,709.48 and 56,943.06

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Solution

The fourth proportional to 135,850.02, 203,709.48 and 56,943.06 is: 85,387.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,850.02 : 203,709.48 = 56,943.06 : x
  2. Step 2: Convert to fraction form
    135,850.02/203,709.48 = 56,943.06/x
  3. Step 3: Cross multiply
    135,850.02x = 203,709.48 × 56,943.06
  4. Step 4: Simplify right side
    135,850.02x = 11,599,840,123.66
  5. Step 5: Solve for x
    x = 11,599,840,123.66/135,850.02
  6. Step 6: Final answer
    x = 85,387.11

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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.