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Finding the Fourth Proportional to 186,599.25, 279,942.62 and 61,940.25

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Solution

The fourth proportional to 186,599.25, 279,942.62 and 61,940.25 is: 92,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,599.25 : 279,942.62 = 61,940.25 : x
  2. Step 2: Convert to fraction form
    186,599.25/279,942.62 = 61,940.25/x
  3. Step 3: Cross multiply
    186,599.25x = 279,942.62 × 61,940.25
  4. Step 4: Simplify right side
    186,599.25x = 17,339,715,558.75
  5. Step 5: Solve for x
    x = 17,339,715,558.75/186,599.25
  6. Step 6: Final answer
    x = 92,924.89

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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.