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Finding the Fourth Proportional to 186,662.20, 279,993.30 and 62,003.20

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Solution

The fourth proportional to 186,662.20, 279,993.30 and 62,003.20 is: 93,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,662.20 : 279,993.30 = 62,003.20 : x
  2. Step 2: Convert to fraction form
    186,662.20/279,993.30 = 62,003.20/x
  3. Step 3: Cross multiply
    186,662.20x = 279,993.30 × 62,003.20
  4. Step 4: Simplify right side
    186,662.20x = 17,360,480,578.56
  5. Step 5: Solve for x
    x = 17,360,480,578.56/186,662.20
  6. Step 6: Final answer
    x = 93,004.80

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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.