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Finding the Fourth Proportional to 68,138.01, 93,977.10 and 44,272.44

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Solution

The fourth proportional to 68,138.01, 93,977.10 and 44,272.44 is: 61,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,138.01 : 93,977.10 = 44,272.44 : x
  2. Step 2: Convert to fraction form
    68,138.01/93,977.10 = 44,272.44/x
  3. Step 3: Cross multiply
    68,138.01x = 93,977.10 × 44,272.44
  4. Step 4: Simplify right side
    68,138.01x = 4,160,595,521.12
  5. Step 5: Solve for x
    x = 4,160,595,521.12/68,138.01
  6. Step 6: Final answer
    x = 61,061.30

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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.