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Finding the Fourth Proportional to 135,081.08, 202,621.73 and 35,241.16

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Solution

The fourth proportional to 135,081.08, 202,621.73 and 35,241.16 is: 52,861.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,081.08 : 202,621.73 = 35,241.16 : x
  2. Step 2: Convert to fraction form
    135,081.08/202,621.73 = 35,241.16/x
  3. Step 3: Cross multiply
    135,081.08x = 202,621.73 × 35,241.16
  4. Step 4: Simplify right side
    135,081.08x = 7,140,624,806.41
  5. Step 5: Solve for x
    x = 7,140,624,806.41/135,081.08
  6. Step 6: Final answer
    x = 52,861.77

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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.