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Finding the Fourth Proportional to 164,299.76, 226,733.40 and 92,679.56

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Solution

The fourth proportional to 164,299.76, 226,733.40 and 92,679.56 is: 127,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,299.76 : 226,733.40 = 92,679.56 : x
  2. Step 2: Convert to fraction form
    164,299.76/226,733.40 = 92,679.56/x
  3. Step 3: Cross multiply
    164,299.76x = 226,733.40 × 92,679.56
  4. Step 4: Simplify right side
    164,299.76x = 21,013,551,749.30
  5. Step 5: Solve for x
    x = 21,013,551,749.30/164,299.76
  6. Step 6: Final answer
    x = 127,897.64

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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.