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Finding the Fourth Proportional to 186,457.44, 279,930.08 and 110,694.30

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Solution

The fourth proportional to 186,457.44, 279,930.08 and 110,694.30 is: 166,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,457.44 : 279,930.08 = 110,694.30 : x
  2. Step 2: Convert to fraction form
    186,457.44/279,930.08 = 110,694.30/x
  3. Step 3: Cross multiply
    186,457.44x = 279,930.08 × 110,694.30
  4. Step 4: Simplify right side
    186,457.44x = 30,986,662,858.89
  5. Step 5: Solve for x
    x = 30,986,662,858.89/186,457.44
  6. Step 6: Final answer
    x = 166,186.25

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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.