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Finding the Fourth Proportional to 247,147.73, 341,064.39 and 133,970.48

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Solution

The fourth proportional to 247,147.73, 341,064.39 and 133,970.48 is: 184,879.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,147.73 : 341,064.39 = 133,970.48 : x
  2. Step 2: Convert to fraction form
    247,147.73/341,064.39 = 133,970.48/x
  3. Step 3: Cross multiply
    247,147.73x = 341,064.39 × 133,970.48
  4. Step 4: Simplify right side
    247,147.73x = 45,692,558,333.89
  5. Step 5: Solve for x
    x = 45,692,558,333.89/247,147.73
  6. Step 6: Final answer
    x = 184,879.54

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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.