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Finding the Fourth Proportional to 251,224.32, 346,738.56 and 166,344.96

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Solution

The fourth proportional to 251,224.32, 346,738.56 and 166,344.96 is: 229,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,224.32 : 346,738.56 = 166,344.96 : x
  2. Step 2: Convert to fraction form
    251,224.32/346,738.56 = 166,344.96/x
  3. Step 3: Cross multiply
    251,224.32x = 346,738.56 × 166,344.96
  4. Step 4: Simplify right side
    251,224.32x = 57,678,211,893.66
  5. Step 5: Solve for x
    x = 57,678,211,893.66/251,224.32
  6. Step 6: Final answer
    x = 229,588.49

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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.