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Finding the Fourth Proportional to 68,389.44, 94,375.68 and 44,470.98

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Solution

The fourth proportional to 68,389.44, 94,375.68 and 44,470.98 is: 61,368.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.44 : 94,375.68 = 44,470.98 : x
  2. Step 2: Convert to fraction form
    68,389.44/94,375.68 = 44,470.98/x
  3. Step 3: Cross multiply
    68,389.44x = 94,375.68 × 44,470.98
  4. Step 4: Simplify right side
    68,389.44x = 4,196,978,977.77
  5. Step 5: Solve for x
    x = 4,196,978,977.77/68,389.44
  6. Step 6: Final answer
    x = 61,368.82

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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.