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Finding the Fourth Proportional to 186,614.44, 279,921.67 and 61,955.44

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Solution

The fourth proportional to 186,614.44, 279,921.67 and 61,955.44 is: 92,933.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,614.44 : 279,921.67 = 61,955.44 : x
  2. Step 2: Convert to fraction form
    186,614.44/279,921.67 = 61,955.44/x
  3. Step 3: Cross multiply
    186,614.44x = 279,921.67 × 61,955.44
  4. Step 4: Simplify right side
    186,614.44x = 17,342,670,230.38
  5. Step 5: Solve for x
    x = 17,342,670,230.38/186,614.44
  6. Step 6: Final answer
    x = 92,933.16

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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.