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Finding the Fourth Proportional to 60,958.92, 84,121.38 and 34,101.90

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Solution

The fourth proportional to 60,958.92, 84,121.38 and 34,101.90 is: 47,059.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,958.92 : 84,121.38 = 34,101.90 : x
  2. Step 2: Convert to fraction form
    60,958.92/84,121.38 = 34,101.90/x
  3. Step 3: Cross multiply
    60,958.92x = 84,121.38 × 34,101.90
  4. Step 4: Simplify right side
    60,958.92x = 2,868,698,888.62
  5. Step 5: Solve for x
    x = 2,868,698,888.62/60,958.92
  6. Step 6: Final answer
    x = 47,059.54

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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.