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Finding the Fourth Proportional to 103,745.54, 155,585.67 and 33,608.58

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Solution

The fourth proportional to 103,745.54, 155,585.67 and 33,608.58 is: 50,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,745.54 : 155,585.67 = 33,608.58 : x
  2. Step 2: Convert to fraction form
    103,745.54/155,585.67 = 33,608.58/x
  3. Step 3: Cross multiply
    103,745.54x = 155,585.67 × 33,608.58
  4. Step 4: Simplify right side
    103,745.54x = 5,229,013,437.05
  5. Step 5: Solve for x
    x = 5,229,013,437.05/103,745.54
  6. Step 6: Final answer
    x = 50,402.30

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1.5x scale

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.