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Finding the Fourth Proportional to 110,809.50, 152,863.83 and 65,475.42

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Solution

The fourth proportional to 110,809.50, 152,863.83 and 65,475.42 is: 90,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,809.50 : 152,863.83 = 65,475.42 : x
  2. Step 2: Convert to fraction form
    110,809.50/152,863.83 = 65,475.42/x
  3. Step 3: Cross multiply
    110,809.50x = 152,863.83 × 65,475.42
  4. Step 4: Simplify right side
    110,809.50x = 10,008,823,472.06
  5. Step 5: Solve for x
    x = 10,008,823,472.06/110,809.50
  6. Step 6: Final answer
    x = 90,324.60

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