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Finding the Fourth Proportional to 95,233.81, 142,880.33 and 39,078.48

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Solution

The fourth proportional to 95,233.81, 142,880.33 and 39,078.48 is: 58,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,233.81 : 142,880.33 = 39,078.48 : x
  2. Step 2: Convert to fraction form
    95,233.81/142,880.33 = 39,078.48/x
  3. Step 3: Cross multiply
    95,233.81x = 142,880.33 × 39,078.48
  4. Step 4: Simplify right side
    95,233.81x = 5,583,546,118.30
  5. Step 5: Solve for x
    x = 5,583,546,118.30/95,233.81
  6. Step 6: Final answer
    x = 58,629.87

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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.