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Finding the Fourth Proportional to 106,694.87, 147,226.37 and 58,945.37

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Solution

The fourth proportional to 106,694.87, 147,226.37 and 58,945.37 is: 81,337.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,694.87 : 147,226.37 = 58,945.37 : x
  2. Step 2: Convert to fraction form
    106,694.87/147,226.37 = 58,945.37/x
  3. Step 3: Cross multiply
    106,694.87x = 147,226.37 × 58,945.37
  4. Step 4: Simplify right side
    106,694.87x = 8,678,311,822.55
  5. Step 5: Solve for x
    x = 8,678,311,822.55/106,694.87
  6. Step 6: Final answer
    x = 81,337.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.