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Finding the Fourth Proportional to 64,361.79, 96,608.30 and 44,372.61

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Solution

The fourth proportional to 64,361.79, 96,608.30 and 44,372.61 is: 66,604.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361.79 : 96,608.30 = 44,372.61 : x
  2. Step 2: Convert to fraction form
    64,361.79/96,608.30 = 44,372.61/x
  3. Step 3: Cross multiply
    64,361.79x = 96,608.30 × 44,372.61
  4. Step 4: Simplify right side
    64,361.79x = 4,286,762,196.80
  5. Step 5: Solve for x
    x = 4,286,762,196.80/64,361.79
  6. Step 6: Final answer
    x = 66,604.15

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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.