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Finding the Fourth Proportional to 181,714.34, 250,623.78 and 118,072.64

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Solution

The fourth proportional to 181,714.34, 250,623.78 and 118,072.64 is: 162,847.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,714.34 : 250,623.78 = 118,072.64 : x
  2. Step 2: Convert to fraction form
    181,714.34/250,623.78 = 118,072.64/x
  3. Step 3: Cross multiply
    181,714.34x = 250,623.78 × 118,072.64
  4. Step 4: Simplify right side
    181,714.34x = 29,591,811,351.38
  5. Step 5: Solve for x
    x = 29,591,811,351.38/181,714.34
  6. Step 6: Final answer
    x = 162,847.97

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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.