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Finding the Fourth Proportional to 246,847.92, 340,649.46 and 133,670.64

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Solution

The fourth proportional to 246,847.92, 340,649.46 and 133,670.64 is: 184,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,847.92 : 340,649.46 = 133,670.64 : x
  2. Step 2: Convert to fraction form
    246,847.92/340,649.46 = 133,670.64/x
  3. Step 3: Cross multiply
    246,847.92x = 340,649.46 × 133,670.64
  4. Step 4: Simplify right side
    246,847.92x = 45,534,831,333.85
  5. Step 5: Solve for x
    x = 45,534,831,333.85/246,847.92
  6. Step 6: Final answer
    x = 184,465.12

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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.