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Finding the Fourth Proportional to 68,062.61, 93,934.76 and 41,214.44

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Solution

The fourth proportional to 68,062.61, 93,934.76 and 41,214.44 is: 56,880.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,062.61 : 93,934.76 = 41,214.44 : x
  2. Step 2: Convert to fraction form
    68,062.61/93,934.76 = 41,214.44/x
  3. Step 3: Cross multiply
    68,062.61x = 93,934.76 × 41,214.44
  4. Step 4: Simplify right side
    68,062.61x = 3,871,468,558.70
  5. Step 5: Solve for x
    x = 3,871,468,558.70/68,062.61
  6. Step 6: Final answer
    x = 56,880.99

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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.