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Finding the Fourth Proportional to 119,482.44, 164,879.80 and 65,766.12

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Solution

The fourth proportional to 119,482.44, 164,879.80 and 65,766.12 is: 90,753.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,482.44 : 164,879.80 = 65,766.12 : x
  2. Step 2: Convert to fraction form
    119,482.44/164,879.80 = 65,766.12/x
  3. Step 3: Cross multiply
    119,482.44x = 164,879.80 × 65,766.12
  4. Step 4: Simplify right side
    119,482.44x = 10,843,504,712.38
  5. Step 5: Solve for x
    x = 10,843,504,712.38/119,482.44
  6. Step 6: Final answer
    x = 90,753.96

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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.