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Finding the Fourth Proportional to 285,996.56, 429,164.33 and 108,652.73

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Solution

The fourth proportional to 285,996.56, 429,164.33 and 108,652.73 is: 163,043.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,996.56 : 429,164.33 = 108,652.73 : x
  2. Step 2: Convert to fraction form
    285,996.56/429,164.33 = 108,652.73/x
  3. Step 3: Cross multiply
    285,996.56x = 429,164.33 × 108,652.73
  4. Step 4: Simplify right side
    285,996.56x = 46,629,873,384.04
  5. Step 5: Solve for x
    x = 46,629,873,384.04/285,996.56
  6. Step 6: Final answer
    x = 163,043.48

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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.