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Finding the Fourth Proportional to 107,890.96, 161,855.86 and 33,009.70

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Solution

The fourth proportional to 107,890.96, 161,855.86 and 33,009.70 is: 49,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890.96 : 161,855.86 = 33,009.70 : x
  2. Step 2: Convert to fraction form
    107,890.96/161,855.86 = 33,009.70/x
  3. Step 3: Cross multiply
    107,890.96x = 161,855.86 × 33,009.70
  4. Step 4: Simplify right side
    107,890.96x = 5,342,813,381.84
  5. Step 5: Solve for x
    x = 5,342,813,381.84/107,890.96
  6. Step 6: Final answer
    x = 49,520.49

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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.