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Finding the Fourth Proportional to 251,609.44, 346,845.36 and 166,578.88

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Solution

The fourth proportional to 251,609.44, 346,845.36 and 166,578.88 is: 229,630.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,609.44 : 346,845.36 = 166,578.88 : x
  2. Step 2: Convert to fraction form
    251,609.44/346,845.36 = 166,578.88/x
  3. Step 3: Cross multiply
    251,609.44x = 346,845.36 × 166,578.88
  4. Step 4: Simplify right side
    251,609.44x = 57,777,111,602.00
  5. Step 5: Solve for x
    x = 57,777,111,602.00/251,609.44
  6. Step 6: Final answer
    x = 229,630.14

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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.