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Finding the Fourth Proportional to 68,497.78, 94,465.67 and 43,006.49

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Solution

The fourth proportional to 68,497.78, 94,465.67 and 43,006.49 is: 59,310.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,497.78 : 94,465.67 = 43,006.49 : x
  2. Step 2: Convert to fraction form
    68,497.78/94,465.67 = 43,006.49/x
  3. Step 3: Cross multiply
    68,497.78x = 94,465.67 × 43,006.49
  4. Step 4: Simplify right side
    68,497.78x = 4,062,637,211.41
  5. Step 5: Solve for x
    x = 4,062,637,211.41/68,497.78
  6. Step 6: Final answer
    x = 59,310.50

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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.