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Finding the Fourth Proportional to 251,459.56, 347,157.66 and 166,691.44

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Solution

The fourth proportional to 251,459.56, 347,157.66 and 166,691.44 is: 230,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,459.56 : 347,157.66 = 166,691.44 : x
  2. Step 2: Convert to fraction form
    251,459.56/347,157.66 = 166,691.44/x
  3. Step 3: Cross multiply
    251,459.56x = 347,157.66 × 166,691.44
  4. Step 4: Simplify right side
    251,459.56x = 57,868,210,252.43
  5. Step 5: Solve for x
    x = 57,868,210,252.43/251,459.56
  6. Step 6: Final answer
    x = 230,129.29

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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.