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Finding the Fourth Proportional to 107,906.97, 161,877.12 and 36,812.96

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Solution

The fourth proportional to 107,906.97, 161,877.12 and 36,812.96 is: 55,225.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,906.97 : 161,877.12 = 36,812.96 : x
  2. Step 2: Convert to fraction form
    107,906.97/161,877.12 = 36,812.96/x
  3. Step 3: Cross multiply
    107,906.97x = 161,877.12 × 36,812.96
  4. Step 4: Simplify right side
    107,906.97x = 5,959,176,513.64
  5. Step 5: Solve for x
    x = 5,959,176,513.64/107,906.97
  6. Step 6: Final answer
    x = 55,225.13

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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.