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Finding the Fourth Proportional to 70,692.04, 106,040.49 and 35,612.56

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Solution

The fourth proportional to 70,692.04, 106,040.49 and 35,612.56 is: 53,420.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,692.04 : 106,040.49 = 35,612.56 : x
  2. Step 2: Convert to fraction form
    70,692.04/106,040.49 = 35,612.56/x
  3. Step 3: Cross multiply
    70,692.04x = 106,040.49 × 35,612.56
  4. Step 4: Simplify right side
    70,692.04x = 3,776,373,511.88
  5. Step 5: Solve for x
    x = 3,776,373,511.88/70,692.04
  6. Step 6: Final answer
    x = 53,420.07

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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.