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Finding the Fourth Proportional to 103,904.97, 155,873.85 and 33,767.88

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Solution

The fourth proportional to 103,904.97, 155,873.85 and 33,767.88 is: 50,657.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,904.97 : 155,873.85 = 33,767.88 : x
  2. Step 2: Convert to fraction form
    103,904.97/155,873.85 = 33,767.88/x
  3. Step 3: Cross multiply
    103,904.97x = 155,873.85 × 33,767.88
  4. Step 4: Simplify right side
    103,904.97x = 5,263,529,461.94
  5. Step 5: Solve for x
    x = 5,263,529,461.94/103,904.97
  6. Step 6: Final answer
    x = 50,657.15

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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.