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Finding the Fourth Proportional to 65,903.96, 98,662.14 and 40,863.62

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Solution

The fourth proportional to 65,903.96, 98,662.14 and 40,863.62 is: 61,175.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,903.96 : 98,662.14 = 40,863.62 : x
  2. Step 2: Convert to fraction form
    65,903.96/98,662.14 = 40,863.62/x
  3. Step 3: Cross multiply
    65,903.96x = 98,662.14 × 40,863.62
  4. Step 4: Simplify right side
    65,903.96x = 4,031,691,704.04
  5. Step 5: Solve for x
    x = 4,031,691,704.04/65,903.96
  6. Step 6: Final answer
    x = 61,175.26

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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.