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Finding the Fourth Proportional to 246,703.94, 340,454.22 and 144,731.15

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Solution

The fourth proportional to 246,703.94, 340,454.22 and 144,731.15 is: 199,730.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,703.94 : 340,454.22 = 144,731.15 : x
  2. Step 2: Convert to fraction form
    246,703.94/340,454.22 = 144,731.15/x
  3. Step 3: Cross multiply
    246,703.94x = 340,454.22 × 144,731.15
  4. Step 4: Simplify right side
    246,703.94x = 49,274,331,634.09
  5. Step 5: Solve for x
    x = 49,274,331,634.09/246,703.94
  6. Step 6: Final answer
    x = 199,730.62

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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.