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Finding the Fourth Proportional to 164,538.98, 246,808.45 and 39,879.98

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Solution

The fourth proportional to 164,538.98, 246,808.45 and 39,879.98 is: 59,819.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,538.98 : 246,808.45 = 39,879.98 : x
  2. Step 2: Convert to fraction form
    164,538.98/246,808.45 = 39,879.98/x
  3. Step 3: Cross multiply
    164,538.98x = 246,808.45 × 39,879.98
  4. Step 4: Simplify right side
    164,538.98x = 9,842,716,049.83
  5. Step 5: Solve for x
    x = 9,842,716,049.83/164,538.98
  6. Step 6: Final answer
    x = 59,819.97

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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.