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Finding the Fourth Proportional to 246,889.57, 340,714.61 and 139,464.13

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Solution

The fourth proportional to 246,889.57, 340,714.61 and 139,464.13 is: 192,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,889.57 : 340,714.61 = 139,464.13 : x
  2. Step 2: Convert to fraction form
    246,889.57/340,714.61 = 139,464.13/x
  3. Step 3: Cross multiply
    246,889.57x = 340,714.61 × 139,464.13
  4. Step 4: Simplify right side
    246,889.57x = 47,517,466,661.94
  5. Step 5: Solve for x
    x = 47,517,466,661.94/246,889.57
  6. Step 6: Final answer
    x = 192,464.46

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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.