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Finding the Fourth Proportional to 164,474.60, 226,970.44 and 92,861.28

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Solution

The fourth proportional to 164,474.60, 226,970.44 and 92,861.28 is: 128,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,474.60 : 226,970.44 = 92,861.28 : x
  2. Step 2: Convert to fraction form
    164,474.60/226,970.44 = 92,861.28/x
  3. Step 3: Cross multiply
    164,474.60x = 226,970.44 × 92,861.28
  4. Step 4: Simplify right side
    164,474.60x = 21,076,765,348.41
  5. Step 5: Solve for x
    x = 21,076,765,348.41/164,474.60
  6. Step 6: Final answer
    x = 128,146.02

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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.