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Finding the Fourth Proportional to 195,313.68, 292,944.60 and 55,083.60

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Solution

The fourth proportional to 195,313.68, 292,944.60 and 55,083.60 is: 82,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,313.68 : 292,944.60 = 55,083.60 : x
  2. Step 2: Convert to fraction form
    195,313.68/292,944.60 = 55,083.60/x
  3. Step 3: Cross multiply
    195,313.68x = 292,944.60 × 55,083.60
  4. Step 4: Simplify right side
    195,313.68x = 16,136,443,168.56
  5. Step 5: Solve for x
    x = 16,136,443,168.56/195,313.68
  6. Step 6: Final answer
    x = 82,618.09

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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.