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Finding the Fourth Proportional to 68,089.79, 93,949.71 and 41,234.24

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Solution

The fourth proportional to 68,089.79, 93,949.71 and 41,234.24 is: 56,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.79 : 93,949.71 = 41,234.24 : x
  2. Step 2: Convert to fraction form
    68,089.79/93,949.71 = 41,234.24/x
  3. Step 3: Cross multiply
    68,089.79x = 93,949.71 × 41,234.24
  4. Step 4: Simplify right side
    68,089.79x = 3,873,944,970.32
  5. Step 5: Solve for x
    x = 3,873,944,970.32/68,089.79
  6. Step 6: Final answer
    x = 56,894.65

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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.