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Finding the Fourth Proportional to 70,794.19, 106,158.48 and 26,388.98

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Solution

The fourth proportional to 70,794.19, 106,158.48 and 26,388.98 is: 39,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,794.19 : 106,158.48 = 26,388.98 : x
  2. Step 2: Convert to fraction form
    70,794.19/106,158.48 = 26,388.98/x
  3. Step 3: Cross multiply
    70,794.19x = 106,158.48 × 26,388.98
  4. Step 4: Simplify right side
    70,794.19x = 2,801,414,005.55
  5. Step 5: Solve for x
    x = 2,801,414,005.55/70,794.19
  6. Step 6: Final answer
    x = 39,571.24

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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.