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Finding the Fourth Proportional to 186,274.66, 279,453.65 and 67,946.01

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Solution

The fourth proportional to 186,274.66, 279,453.65 and 67,946.01 is: 101,934.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,274.66 : 279,453.65 = 67,946.01 : x
  2. Step 2: Convert to fraction form
    186,274.66/279,453.65 = 67,946.01/x
  3. Step 3: Cross multiply
    186,274.66x = 279,453.65 × 67,946.01
  4. Step 4: Simplify right side
    186,274.66x = 18,987,760,497.44
  5. Step 5: Solve for x
    x = 18,987,760,497.44/186,274.66
  6. Step 6: Final answer
    x = 101,934.21

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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.