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Finding the Fourth Proportional to 113,657.99, 170,493.81 and 34,772.90

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Solution

The fourth proportional to 113,657.99, 170,493.81 and 34,772.90 is: 52,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,657.99 : 170,493.81 = 34,772.90 : x
  2. Step 2: Convert to fraction form
    113,657.99/170,493.81 = 34,772.90/x
  3. Step 3: Cross multiply
    113,657.99x = 170,493.81 × 34,772.90
  4. Step 4: Simplify right side
    113,657.99x = 5,928,563,692.58
  5. Step 5: Solve for x
    x = 5,928,563,692.58/113,657.99
  6. Step 6: Final answer
    x = 52,161.43

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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.