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Finding the Fourth Proportional to 146,339.73, 219,486.60 and 46,486.80

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Solution

The fourth proportional to 146,339.73, 219,486.60 and 46,486.80 is: 69,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,339.73 : 219,486.60 = 46,486.80 : x
  2. Step 2: Convert to fraction form
    146,339.73/219,486.60 = 46,486.80/x
  3. Step 3: Cross multiply
    146,339.73x = 219,486.60 × 46,486.80
  4. Step 4: Simplify right side
    146,339.73x = 10,203,229,676.88
  5. Step 5: Solve for x
    x = 10,203,229,676.88/146,339.73
  6. Step 6: Final answer
    x = 69,722.90

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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.