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Finding the Fourth Proportional to 146,676.69, 219,620.84 and 93,078.48

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Solution

The fourth proportional to 146,676.69, 219,620.84 and 93,078.48 is: 139,367.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,676.69 : 219,620.84 = 93,078.48 : x
  2. Step 2: Convert to fraction form
    146,676.69/219,620.84 = 93,078.48/x
  3. Step 3: Cross multiply
    146,676.69x = 219,620.84 × 93,078.48
  4. Step 4: Simplify right side
    146,676.69x = 20,441,973,963.52
  5. Step 5: Solve for x
    x = 20,441,973,963.52/146,676.69
  6. Step 6: Final answer
    x = 139,367.57

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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.