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Finding the Fourth Proportional to 135,900.59, 203,860.87 and 36,058.57

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Solution

The fourth proportional to 135,900.59, 203,860.87 and 36,058.57 is: 54,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,900.59 : 203,860.87 = 36,058.57 : x
  2. Step 2: Convert to fraction form
    135,900.59/203,860.87 = 36,058.57/x
  3. Step 3: Cross multiply
    135,900.59x = 203,860.87 × 36,058.57
  4. Step 4: Simplify right side
    135,900.59x = 7,350,930,851.36
  5. Step 5: Solve for x
    x = 7,350,930,851.36/135,900.59
  6. Step 6: Final answer
    x = 54,090.50

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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.