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Finding the Fourth Proportional to 68,144.67, 94,044.11 and 37,929.92

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Solution

The fourth proportional to 68,144.67, 94,044.11 and 37,929.92 is: 52,345.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,144.67 : 94,044.11 = 37,929.92 : x
  2. Step 2: Convert to fraction form
    68,144.67/94,044.11 = 37,929.92/x
  3. Step 3: Cross multiply
    68,144.67x = 94,044.11 × 37,929.92
  4. Step 4: Simplify right side
    68,144.67x = 3,567,084,908.90
  5. Step 5: Solve for x
    x = 3,567,084,908.90/68,144.67
  6. Step 6: Final answer
    x = 52,345.77

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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.