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Finding the Fourth Proportional to 164,516.92, 227,031.60 and 92,892.70

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Solution

The fourth proportional to 164,516.92, 227,031.60 and 92,892.70 is: 128,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,516.92 : 227,031.60 = 92,892.70 : x
  2. Step 2: Convert to fraction form
    164,516.92/227,031.60 = 92,892.70/x
  3. Step 3: Cross multiply
    164,516.92x = 227,031.60 × 92,892.70
  4. Step 4: Simplify right side
    164,516.92x = 21,089,578,309.32
  5. Step 5: Solve for x
    x = 21,089,578,309.32/164,516.92
  6. Step 6: Final answer
    x = 128,190.94

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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.