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Finding the Fourth Proportional to 74,694.96, 103,056.88 and 44,456

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Solution

The fourth proportional to 74,694.96, 103,056.88 and 44,456 is: 61,336.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,694.96 : 103,056.88 = 44,456 : x
  2. Step 2: Convert to fraction form
    74,694.96/103,056.88 = 44,456/x
  3. Step 3: Cross multiply
    74,694.96x = 103,056.88 × 44,456
  4. Step 4: Simplify right side
    74,694.96x = 4,581,496,657.28
  5. Step 5: Solve for x
    x = 4,581,496,657.28/74,694.96
  6. Step 6: Final answer
    x = 61,336.09

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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.