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Finding the Fourth Proportional to 103,995.66, 155,993.48 and 33,874.98

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Solution

The fourth proportional to 103,995.66, 155,993.48 and 33,874.98 is: 50,812.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995.66 : 155,993.48 = 33,874.98 : x
  2. Step 2: Convert to fraction form
    103,995.66/155,993.48 = 33,874.98/x
  3. Step 3: Cross multiply
    103,995.66x = 155,993.48 × 33,874.98
  4. Step 4: Simplify right side
    103,995.66x = 5,284,275,387.81
  5. Step 5: Solve for x
    x = 5,284,275,387.81/103,995.66
  6. Step 6: Final answer
    x = 50,812.46

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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.