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Finding the Fourth Proportional to 65,393.24, 90,269.79 and 44,201.21

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Solution

The fourth proportional to 65,393.24, 90,269.79 and 44,201.21 is: 61,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,393.24 : 90,269.79 = 44,201.21 : x
  2. Step 2: Convert to fraction form
    65,393.24/90,269.79 = 44,201.21/x
  3. Step 3: Cross multiply
    65,393.24x = 90,269.79 × 44,201.21
  4. Step 4: Simplify right side
    65,393.24x = 3,990,033,944.45
  5. Step 5: Solve for x
    x = 3,990,033,944.45/65,393.24
  6. Step 6: Final answer
    x = 61,016.00

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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.