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Finding the Fourth Proportional to 186,470.54, 279,793.29 and 92,983.58

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Solution

The fourth proportional to 186,470.54, 279,793.29 and 92,983.58 is: 139,518.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,470.54 : 279,793.29 = 92,983.58 : x
  2. Step 2: Convert to fraction form
    186,470.54/279,793.29 = 92,983.58/x
  3. Step 3: Cross multiply
    186,470.54x = 279,793.29 × 92,983.58
  4. Step 4: Simplify right side
    186,470.54x = 26,016,181,764.18
  5. Step 5: Solve for x
    x = 26,016,181,764.18/186,470.54
  6. Step 6: Final answer
    x = 139,518.99

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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.