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Finding the Fourth Proportional to 186,027.25, 279,040.89 and 54,699.25

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Solution

The fourth proportional to 186,027.25, 279,040.89 and 54,699.25 is: 82,048.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,027.25 : 279,040.89 = 54,699.25 : x
  2. Step 2: Convert to fraction form
    186,027.25/279,040.89 = 54,699.25/x
  3. Step 3: Cross multiply
    186,027.25x = 279,040.89 × 54,699.25
  4. Step 4: Simplify right side
    186,027.25x = 15,263,327,402.33
  5. Step 5: Solve for x
    x = 15,263,327,402.33/186,027.25
  6. Step 6: Final answer
    x = 82,048.88

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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.