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Finding the Fourth Proportional to 86,808.54, 119,794.23 and 49,081.98

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Solution

The fourth proportional to 86,808.54, 119,794.23 and 49,081.98 is: 67,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,808.54 : 119,794.23 = 49,081.98 : x
  2. Step 2: Convert to fraction form
    86,808.54/119,794.23 = 49,081.98/x
  3. Step 3: Cross multiply
    86,808.54x = 119,794.23 × 49,081.98
  4. Step 4: Simplify right side
    86,808.54x = 5,879,738,000.98
  5. Step 5: Solve for x
    x = 5,879,738,000.98/86,808.54
  6. Step 6: Final answer
    x = 67,732.25

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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.