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Finding the Fourth Proportional to 181,654.34, 250,540.98 and 118,012.64

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Solution

The fourth proportional to 181,654.34, 250,540.98 and 118,012.64 is: 162,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,654.34 : 250,540.98 = 118,012.64 : x
  2. Step 2: Convert to fraction form
    181,654.34/250,540.98 = 118,012.64/x
  3. Step 3: Cross multiply
    181,654.34x = 250,540.98 × 118,012.64
  4. Step 4: Simplify right side
    181,654.34x = 29,567,002,477.99
  5. Step 5: Solve for x
    x = 29,567,002,477.99/181,654.34
  6. Step 6: Final answer
    x = 162,765.19

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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.