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Finding the Fourth Proportional to 202,424.60, 303,583.80 and 60,231.62

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Solution

The fourth proportional to 202,424.60, 303,583.80 and 60,231.62 is: 90,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,424.60 : 303,583.80 = 60,231.62 : x
  2. Step 2: Convert to fraction form
    202,424.60/303,583.80 = 60,231.62/x
  3. Step 3: Cross multiply
    202,424.60x = 303,583.80 × 60,231.62
  4. Step 4: Simplify right side
    202,424.60x = 18,285,344,079.76
  5. Step 5: Solve for x
    x = 18,285,344,079.76/202,424.60
  6. Step 6: Final answer
    x = 90,331.63

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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.