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Finding the Fourth Proportional to 135,099.66, 202,618.67 and 50,868.70

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Solution

The fourth proportional to 135,099.66, 202,618.67 and 50,868.70 is: 76,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,099.66 : 202,618.67 = 50,868.70 : x
  2. Step 2: Convert to fraction form
    135,099.66/202,618.67 = 50,868.70/x
  3. Step 3: Cross multiply
    135,099.66x = 202,618.67 × 50,868.70
  4. Step 4: Simplify right side
    135,099.66x = 10,306,948,972.35
  5. Step 5: Solve for x
    x = 10,306,948,972.35/135,099.66
  6. Step 6: Final answer
    x = 76,291.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.