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Finding the Fourth Proportional to 65,957.11, 91,052.19 and 44,190.87

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Solution

The fourth proportional to 65,957.11, 91,052.19 and 44,190.87 is: 61,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,957.11 : 91,052.19 = 44,190.87 : x
  2. Step 2: Convert to fraction form
    65,957.11/91,052.19 = 44,190.87/x
  3. Step 3: Cross multiply
    65,957.11x = 91,052.19 × 44,190.87
  4. Step 4: Simplify right side
    65,957.11x = 4,023,675,150.06
  5. Step 5: Solve for x
    x = 4,023,675,150.06/65,957.11
  6. Step 6: Final answer
    x = 61,004.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.