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Finding the Fourth Proportional to 68,614.62, 102,757.62 and 43,576.32

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Solution

The fourth proportional to 68,614.62, 102,757.62 and 43,576.32 is: 65,260.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,614.62 : 102,757.62 = 43,576.32 : x
  2. Step 2: Convert to fraction form
    68,614.62/102,757.62 = 43,576.32/x
  3. Step 3: Cross multiply
    68,614.62x = 102,757.62 × 43,576.32
  4. Step 4: Simplify right side
    68,614.62x = 4,477,798,931.56
  5. Step 5: Solve for x
    x = 4,477,798,931.56/68,614.62
  6. Step 6: Final answer
    x = 65,260.13

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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.