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Finding the Fourth Proportional to 228,670.36, 342,822.38 and 108,667.09

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Solution

The fourth proportional to 228,670.36, 342,822.38 and 108,667.09 is: 162,913.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,670.36 : 342,822.38 = 108,667.09 : x
  2. Step 2: Convert to fraction form
    228,670.36/342,822.38 = 108,667.09/x
  3. Step 3: Cross multiply
    228,670.36x = 342,822.38 × 108,667.09
  4. Step 4: Simplify right side
    228,670.36x = 37,253,508,378.29
  5. Step 5: Solve for x
    x = 37,253,508,378.29/228,670.36
  6. Step 6: Final answer
    x = 162,913.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.