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Finding the Fourth Proportional to 103,672.52, 155,506.92 and 33,551.90

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Solution

The fourth proportional to 103,672.52, 155,506.92 and 33,551.90 is: 50,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,672.52 : 155,506.92 = 33,551.90 : x
  2. Step 2: Convert to fraction form
    103,672.52/155,506.92 = 33,551.90/x
  3. Step 3: Cross multiply
    103,672.52x = 155,506.92 × 33,551.90
  4. Step 4: Simplify right side
    103,672.52x = 5,217,552,629.15
  5. Step 5: Solve for x
    x = 5,217,552,629.15/103,672.52
  6. Step 6: Final answer
    x = 50,327.25

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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.