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Finding the Fourth Proportional to 76,028.86, 104,916.76 and 44,195.25

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Solution

The fourth proportional to 76,028.86, 104,916.76 and 44,195.25 is: 60,987.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,028.86 : 104,916.76 = 44,195.25 : x
  2. Step 2: Convert to fraction form
    76,028.86/104,916.76 = 44,195.25/x
  3. Step 3: Cross multiply
    76,028.86x = 104,916.76 × 44,195.25
  4. Step 4: Simplify right side
    76,028.86x = 4,636,822,437.39
  5. Step 5: Solve for x
    x = 4,636,822,437.39/76,028.86
  6. Step 6: Final answer
    x = 60,987.66

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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.