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Finding the Fourth Proportional to 247,064.67, 340,949.60 and 133,887.42

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Solution

The fourth proportional to 247,064.67, 340,949.60 and 133,887.42 is: 184,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,064.67 : 340,949.60 = 133,887.42 : x
  2. Step 2: Convert to fraction form
    247,064.67/340,949.60 = 133,887.42/x
  3. Step 3: Cross multiply
    247,064.67x = 340,949.60 × 133,887.42
  4. Step 4: Simplify right side
    247,064.67x = 45,648,862,294.03
  5. Step 5: Solve for x
    x = 45,648,862,294.03/247,064.67
  6. Step 6: Final answer
    x = 184,764.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.