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Finding the Fourth Proportional to 79,141.76, 118,716.32 and 44,054.96

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Solution

The fourth proportional to 79,141.76, 118,716.32 and 44,054.96 is: 66,084.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,141.76 : 118,716.32 = 44,054.96 : x
  2. Step 2: Convert to fraction form
    79,141.76/118,716.32 = 44,054.96/x
  3. Step 3: Cross multiply
    79,141.76x = 118,716.32 × 44,054.96
  4. Step 4: Simplify right side
    79,141.76x = 5,230,042,728.95
  5. Step 5: Solve for x
    x = 5,230,042,728.95/79,141.76
  6. Step 6: Final answer
    x = 66,084.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.