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Finding the Fourth Proportional to 107,912.79, 161,863.41 and 33,032.97

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Solution

The fourth proportional to 107,912.79, 161,863.41 and 33,032.97 is: 49,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,912.79 : 161,863.41 = 33,032.97 : x
  2. Step 2: Convert to fraction form
    107,912.79/161,863.41 = 33,032.97/x
  3. Step 3: Cross multiply
    107,912.79x = 161,863.41 × 33,032.97
  4. Step 4: Simplify right side
    107,912.79x = 5,346,829,166.63
  5. Step 5: Solve for x
    x = 5,346,829,166.63/107,912.79
  6. Step 6: Final answer
    x = 49,547.69

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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.