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Finding the Fourth Proportional to 77,879.98, 116,869.17 and 44,664.91

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Solution

The fourth proportional to 77,879.98, 116,869.17 and 44,664.91 is: 67,025.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,879.98 : 116,869.17 = 44,664.91 : x
  2. Step 2: Convert to fraction form
    77,879.98/116,869.17 = 44,664.91/x
  3. Step 3: Cross multiply
    77,879.98x = 116,869.17 × 44,664.91
  4. Step 4: Simplify right side
    77,879.98x = 5,219,950,959.82
  5. Step 5: Solve for x
    x = 5,219,950,959.82/77,879.98
  6. Step 6: Final answer
    x = 67,025.58

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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.