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Finding the Fourth Proportional to 168,003.73, 251,918.09 and 79,233.40

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Solution

The fourth proportional to 168,003.73, 251,918.09 and 79,233.40 is: 118,808.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,003.73 : 251,918.09 = 79,233.40 : x
  2. Step 2: Convert to fraction form
    168,003.73/251,918.09 = 79,233.40/x
  3. Step 3: Cross multiply
    168,003.73x = 251,918.09 × 79,233.40
  4. Step 4: Simplify right side
    168,003.73x = 19,960,326,792.21
  5. Step 5: Solve for x
    x = 19,960,326,792.21/168,003.73
  6. Step 6: Final answer
    x = 118,808.83

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1.5x scale

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.