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Finding the Fourth Proportional to 105,795.32, 158,692.28 and 26,908.88

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Solution

The fourth proportional to 105,795.32, 158,692.28 and 26,908.88 is: 40,363.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,795.32 : 158,692.28 = 26,908.88 : x
  2. Step 2: Convert to fraction form
    105,795.32/158,692.28 = 26,908.88/x
  3. Step 3: Cross multiply
    105,795.32x = 158,692.28 × 26,908.88
  4. Step 4: Simplify right side
    105,795.32x = 4,270,230,591.44
  5. Step 5: Solve for x
    x = 4,270,230,591.44/105,795.32
  6. Step 6: Final answer
    x = 40,363.14

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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.