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Finding the Fourth Proportional to 101,083.35, 139,495.02 and 55,761.44

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Solution

The fourth proportional to 101,083.35, 139,495.02 and 55,761.44 is: 76,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,083.35 : 139,495.02 = 55,761.44 : x
  2. Step 2: Convert to fraction form
    101,083.35/139,495.02 = 55,761.44/x
  3. Step 3: Cross multiply
    101,083.35x = 139,495.02 × 55,761.44
  4. Step 4: Simplify right side
    101,083.35x = 7,778,443,065.85
  5. Step 5: Solve for x
    x = 7,778,443,065.85/101,083.35
  6. Step 6: Final answer
    x = 76,950.79

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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.