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Finding the Fourth Proportional to 107,890.95, 161,855.88 and 33,009.69

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Solution

The fourth proportional to 107,890.95, 161,855.88 and 33,009.69 is: 49,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,890.95 : 161,855.88 = 33,009.69 : x
  2. Step 2: Convert to fraction form
    107,890.95/161,855.88 = 33,009.69/x
  3. Step 3: Cross multiply
    107,890.95x = 161,855.88 × 33,009.69
  4. Step 4: Simplify right side
    107,890.95x = 5,342,812,423.48
  5. Step 5: Solve for x
    x = 5,342,812,423.48/107,890.95
  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.