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Finding the Fourth Proportional to 113,234.70, 170,046.45 and 73,965.90

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Solution

The fourth proportional to 113,234.70, 170,046.45 and 73,965.90 is: 111,075.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,234.70 : 170,046.45 = 73,965.90 : x
  2. Step 2: Convert to fraction form
    113,234.70/170,046.45 = 73,965.90/x
  3. Step 3: Cross multiply
    113,234.70x = 170,046.45 × 73,965.90
  4. Step 4: Simplify right side
    113,234.70x = 12,577,638,716.06
  5. Step 5: Solve for x
    x = 12,577,638,716.06/113,234.70
  6. Step 6: Final answer
    x = 111,075.83

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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.