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Finding the Fourth Proportional to 107,469.68, 161,204.31 and 28,583.99

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Solution

The fourth proportional to 107,469.68, 161,204.31 and 28,583.99 is: 42,875.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,469.68 : 161,204.31 = 28,583.99 : x
  2. Step 2: Convert to fraction form
    107,469.68/161,204.31 = 28,583.99/x
  3. Step 3: Cross multiply
    107,469.68x = 161,204.31 × 28,583.99
  4. Step 4: Simplify right side
    107,469.68x = 4,607,861,578.98
  5. Step 5: Solve for x
    x = 4,607,861,578.98/107,469.68
  6. Step 6: Final answer
    x = 42,875.92

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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.