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Finding the Fourth Proportional to 107,551.54, 161,371.62 and 47,548.42

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Solution

The fourth proportional to 107,551.54, 161,371.62 and 47,548.42 is: 71,342.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,551.54 : 161,371.62 = 47,548.42 : x
  2. Step 2: Convert to fraction form
    107,551.54/161,371.62 = 47,548.42/x
  3. Step 3: Cross multiply
    107,551.54x = 161,371.62 × 47,548.42
  4. Step 4: Simplify right side
    107,551.54x = 7,672,965,563.84
  5. Step 5: Solve for x
    x = 7,672,965,563.84/107,551.54
  6. Step 6: Final answer
    x = 71,342.22

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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.