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Finding the Fourth Proportional to 71,594.28, 98,794.32 and 41,381.56

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Solution

The fourth proportional to 71,594.28, 98,794.32 and 41,381.56 is: 57,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.28 : 98,794.32 = 41,381.56 : x
  2. Step 2: Convert to fraction form
    71,594.28/98,794.32 = 41,381.56/x
  3. Step 3: Cross multiply
    71,594.28x = 98,794.32 × 41,381.56
  4. Step 4: Simplify right side
    71,594.28x = 4,088,263,080.74
  5. Step 5: Solve for x
    x = 4,088,263,080.74/71,594.28
  6. Step 6: Final answer
    x = 57,103.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.