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Finding the Fourth Proportional to 77,579.44, 107,059.73 and 44,045.44

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Solution

The fourth proportional to 77,579.44, 107,059.73 and 44,045.44 is: 60,782.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,579.44 : 107,059.73 = 44,045.44 : x
  2. Step 2: Convert to fraction form
    77,579.44/107,059.73 = 44,045.44/x
  3. Step 3: Cross multiply
    77,579.44x = 107,059.73 × 44,045.44
  4. Step 4: Simplify right side
    77,579.44x = 4,715,492,426.25
  5. Step 5: Solve for x
    x = 4,715,492,426.25/77,579.44
  6. Step 6: Final answer
    x = 60,782.76

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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.