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Finding the Fourth Proportional to 119,843.82, 166,083.66 and 118,152.54

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Solution

The fourth proportional to 119,843.82, 166,083.66 and 118,152.54 is: 163,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,843.82 : 166,083.66 = 118,152.54 : x
  2. Step 2: Convert to fraction form
    119,843.82/166,083.66 = 118,152.54/x
  3. Step 3: Cross multiply
    119,843.82x = 166,083.66 × 118,152.54
  4. Step 4: Simplify right side
    119,843.82x = 19,623,206,281.50
  5. Step 5: Solve for x
    x = 19,623,206,281.50/119,843.82
  6. Step 6: Final answer
    x = 163,739.83

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.