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Finding the Fourth Proportional to 106,958.38, 147,604.32 and 58,559.50

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Solution

The fourth proportional to 106,958.38, 147,604.32 and 58,559.50 is: 80,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,958.38 : 147,604.32 = 58,559.50 : x
  2. Step 2: Convert to fraction form
    106,958.38/147,604.32 = 58,559.50/x
  3. Step 3: Cross multiply
    106,958.38x = 147,604.32 × 58,559.50
  4. Step 4: Simplify right side
    106,958.38x = 8,643,635,177.04
  5. Step 5: Solve for x
    x = 8,643,635,177.04/106,958.38
  6. Step 6: Final answer
    x = 80,813.07

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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.