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Finding the Fourth Proportional to 60,197.75, 89,930.54 and 38,964.81

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Solution

The fourth proportional to 60,197.75, 89,930.54 and 38,964.81 is: 58,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,197.75 : 89,930.54 = 38,964.81 : x
  2. Step 2: Convert to fraction form
    60,197.75/89,930.54 = 38,964.81/x
  3. Step 3: Cross multiply
    60,197.75x = 89,930.54 × 38,964.81
  4. Step 4: Simplify right side
    60,197.75x = 3,504,126,404.30
  5. Step 5: Solve for x
    x = 3,504,126,404.30/60,197.75
  6. Step 6: Final answer
    x = 58,210.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.