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Finding the Fourth Proportional to 105,956.62, 158,917.26 and 34,880.03

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Solution

The fourth proportional to 105,956.62, 158,917.26 and 34,880.03 is: 52,314.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,956.62 : 158,917.26 = 34,880.03 : x
  2. Step 2: Convert to fraction form
    105,956.62/158,917.26 = 34,880.03/x
  3. Step 3: Cross multiply
    105,956.62x = 158,917.26 × 34,880.03
  4. Step 4: Simplify right side
    105,956.62x = 5,543,039,426.18
  5. Step 5: Solve for x
    x = 5,543,039,426.18/105,956.62
  6. Step 6: Final answer
    x = 52,314.23

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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.