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Finding the Fourth Proportional to 79,449.84, 118,919.04 and 41,956.32

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Solution

The fourth proportional to 79,449.84, 118,919.04 and 41,956.32 is: 62,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,449.84 : 118,919.04 = 41,956.32 : x
  2. Step 2: Convert to fraction form
    79,449.84/118,919.04 = 41,956.32/x
  3. Step 3: Cross multiply
    79,449.84x = 118,919.04 × 41,956.32
  4. Step 4: Simplify right side
    79,449.84x = 4,989,405,296.33
  5. Step 5: Solve for x
    x = 4,989,405,296.33/79,449.84
  6. Step 6: Final answer
    x = 62,799.44

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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.