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Finding the Fourth Proportional to 141,963.54, 213,076.52 and 71,892.06

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Solution

The fourth proportional to 141,963.54, 213,076.52 and 71,892.06 is: 107,904.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,963.54 : 213,076.52 = 71,892.06 : x
  2. Step 2: Convert to fraction form
    141,963.54/213,076.52 = 71,892.06/x
  3. Step 3: Cross multiply
    141,963.54x = 213,076.52 × 71,892.06
  4. Step 4: Simplify right side
    141,963.54x = 15,318,509,960.43
  5. Step 5: Solve for x
    x = 15,318,509,960.43/141,963.54
  6. Step 6: Final answer
    x = 107,904.54

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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.