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Finding the Fourth Proportional to 68,052.78, 101,963.97 and 41,702.58

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Solution

The fourth proportional to 68,052.78, 101,963.97 and 41,702.58 is: 62,483.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,052.78 : 101,963.97 = 41,702.58 : x
  2. Step 2: Convert to fraction form
    68,052.78/101,963.97 = 41,702.58/x
  3. Step 3: Cross multiply
    68,052.78x = 101,963.97 × 41,702.58
  4. Step 4: Simplify right side
    68,052.78x = 4,252,160,616.04
  5. Step 5: Solve for x
    x = 4,252,160,616.04/68,052.78
  6. Step 6: Final answer
    x = 62,483.28

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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.