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Finding the Fourth Proportional to 164,251.32, 226,665.72 and 92,631.96

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Solution

The fourth proportional to 164,251.32, 226,665.72 and 92,631.96 is: 127,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,251.32 : 226,665.72 = 92,631.96 : x
  2. Step 2: Convert to fraction form
    164,251.32/226,665.72 = 92,631.96/x
  3. Step 3: Cross multiply
    164,251.32x = 226,665.72 × 92,631.96
  4. Step 4: Simplify right side
    164,251.32x = 20,996,489,908.41
  5. Step 5: Solve for x
    x = 20,996,489,908.41/164,251.32
  6. Step 6: Final answer
    x = 127,831.48

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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.