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Finding the Fourth Proportional to 181,992.60, 272,891.70 and 63,667.80

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Solution

The fourth proportional to 181,992.60, 272,891.70 and 63,667.80 is: 95,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,992.60 : 272,891.70 = 63,667.80 : x
  2. Step 2: Convert to fraction form
    181,992.60/272,891.70 = 63,667.80/x
  3. Step 3: Cross multiply
    181,992.60x = 272,891.70 × 63,667.80
  4. Step 4: Simplify right side
    181,992.60x = 17,374,414,177.26
  5. Step 5: Solve for x
    x = 17,374,414,177.26/181,992.60
  6. Step 6: Final answer
    x = 95,467.70

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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.