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Finding the Fourth Proportional to 246,936.40, 370,404.60 and 80,741.20

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Solution

The fourth proportional to 246,936.40, 370,404.60 and 80,741.20 is: 121,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,936.40 : 370,404.60 = 80,741.20 : x
  2. Step 2: Convert to fraction form
    246,936.40/370,404.60 = 80,741.20/x
  3. Step 3: Cross multiply
    246,936.40x = 370,404.60 × 80,741.20
  4. Step 4: Simplify right side
    246,936.40x = 29,906,911,889.52
  5. Step 5: Solve for x
    x = 29,906,911,889.52/246,936.40
  6. Step 6: Final answer
    x = 121,111.80

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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.