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Finding the Fourth Proportional to 103,995.17, 155,992.76 and 33,874.48

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Solution

The fourth proportional to 103,995.17, 155,992.76 and 33,874.48 is: 50,811.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,995.17 : 155,992.76 = 33,874.48 : x
  2. Step 2: Convert to fraction form
    103,995.17/155,992.76 = 33,874.48/x
  3. Step 3: Cross multiply
    103,995.17x = 155,992.76 × 33,874.48
  4. Step 4: Simplify right side
    103,995.17x = 5,284,173,628.76
  5. Step 5: Solve for x
    x = 5,284,173,628.76/103,995.17
  6. Step 6: Final answer
    x = 50,811.72

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Double scale
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Similar ratio
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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.