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Finding the Fourth Proportional to 441,164.61, 661,747.04 and 108,740.61

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Solution

The fourth proportional to 441,164.61, 661,747.04 and 108,740.61 is: 163,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,164.61 : 661,747.04 = 108,740.61 : x
  2. Step 2: Convert to fraction form
    441,164.61/661,747.04 = 108,740.61/x
  3. Step 3: Cross multiply
    441,164.61x = 661,747.04 × 108,740.61
  4. Step 4: Simplify right side
    441,164.61x = 71,958,776,251.59
  5. Step 5: Solve for x
    x = 71,958,776,251.59/441,164.61
  6. Step 6: Final answer
    x = 163,110.94

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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.