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Finding the Fourth Proportional to 186,471.54, 279,794.79 and 92,984.58

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Solution

The fourth proportional to 186,471.54, 279,794.79 and 92,984.58 is: 139,520.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,471.54 : 279,794.79 = 92,984.58 : x
  2. Step 2: Convert to fraction form
    186,471.54/279,794.79 = 92,984.58/x
  3. Step 3: Cross multiply
    186,471.54x = 279,794.79 × 92,984.58
  4. Step 4: Simplify right side
    186,471.54x = 26,016,601,034.34
  5. Step 5: Solve for x
    x = 26,016,601,034.34/186,471.54
  6. Step 6: Final answer
    x = 139,520.49

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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.