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Finding the Fourth Proportional to 135,325.82, 202,933.22 and 40,522.60

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Solution

The fourth proportional to 135,325.82, 202,933.22 and 40,522.60 is: 60,767.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,325.82 : 202,933.22 = 40,522.60 : x
  2. Step 2: Convert to fraction form
    135,325.82/202,933.22 = 40,522.60/x
  3. Step 3: Cross multiply
    135,325.82x = 202,933.22 × 40,522.60
  4. Step 4: Simplify right side
    135,325.82x = 8,223,381,700.77
  5. Step 5: Solve for x
    x = 8,223,381,700.77/135,325.82
  6. Step 6: Final answer
    x = 60,767.28

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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.