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Finding the Fourth Proportional to 246,301.76, 368,785.31 and 127,724.45

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Solution

The fourth proportional to 246,301.76, 368,785.31 and 127,724.45 is: 191,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,301.76 : 368,785.31 = 127,724.45 : x
  2. Step 2: Convert to fraction form
    246,301.76/368,785.31 = 127,724.45/x
  3. Step 3: Cross multiply
    246,301.76x = 368,785.31 × 127,724.45
  4. Step 4: Simplify right side
    246,301.76x = 47,102,898,405.28
  5. Step 5: Solve for x
    x = 47,102,898,405.28/246,301.76
  6. Step 6: Final answer
    x = 191,240.61

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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.