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Finding the Fourth Proportional to 68,044.48, 93,868.68 and 44,178.64

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Solution

The fourth proportional to 68,044.48, 93,868.68 and 44,178.64 is: 60,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,044.48 : 93,868.68 = 44,178.64 : x
  2. Step 2: Convert to fraction form
    68,044.48/93,868.68 = 44,178.64/x
  3. Step 3: Cross multiply
    68,044.48x = 93,868.68 × 44,178.64
  4. Step 4: Simplify right side
    68,044.48x = 4,146,990,621.00
  5. Step 5: Solve for x
    x = 4,146,990,621.00/68,044.48
  6. Step 6: Final answer
    x = 60,945.29

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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.