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Finding the Fourth Proportional to 68,359.86, 94,325.22 and 45,662.43

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Solution

The fourth proportional to 68,359.86, 94,325.22 and 45,662.43 is: 63,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,359.86 : 94,325.22 = 45,662.43 : x
  2. Step 2: Convert to fraction form
    68,359.86/94,325.22 = 45,662.43/x
  3. Step 3: Cross multiply
    68,359.86x = 94,325.22 × 45,662.43
  4. Step 4: Simplify right side
    68,359.86x = 4,307,118,755.48
  5. Step 5: Solve for x
    x = 4,307,118,755.48/68,359.86
  6. Step 6: Final answer
    x = 63,006.55

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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.