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Finding the Fourth Proportional to 168,723.44, 232,826.64 and 93,266

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Solution

The fourth proportional to 168,723.44, 232,826.64 and 93,266 is: 128,700.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,723.44 : 232,826.64 = 93,266 : x
  2. Step 2: Convert to fraction form
    168,723.44/232,826.64 = 93,266/x
  3. Step 3: Cross multiply
    168,723.44x = 232,826.64 × 93,266
  4. Step 4: Simplify right side
    168,723.44x = 21,714,809,406.24
  5. Step 5: Solve for x
    x = 21,714,809,406.24/168,723.44
  6. Step 6: Final answer
    x = 128,700.61

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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.