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Finding the Fourth Proportional to 135,389.56, 203,084.22 and 36,893.56

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Solution

The fourth proportional to 135,389.56, 203,084.22 and 36,893.56 is: 55,340.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,389.56 : 203,084.22 = 36,893.56 : x
  2. Step 2: Convert to fraction form
    135,389.56/203,084.22 = 36,893.56/x
  3. Step 3: Cross multiply
    135,389.56x = 203,084.22 × 36,893.56
  4. Step 4: Simplify right side
    135,389.56x = 7,492,499,855.62
  5. Step 5: Solve for x
    x = 7,492,499,855.62/135,389.56
  6. Step 6: Final answer
    x = 55,340.31

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1.5x scale

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.