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Finding the Fourth Proportional to 195,361.66, 293,048.47 and 67,276.57

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Solution

The fourth proportional to 195,361.66, 293,048.47 and 67,276.57 is: 100,916.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,361.66 : 293,048.47 = 67,276.57 : x
  2. Step 2: Convert to fraction form
    195,361.66/293,048.47 = 67,276.57/x
  3. Step 3: Cross multiply
    195,361.66x = 293,048.47 × 67,276.57
  4. Step 4: Simplify right side
    195,361.66x = 19,715,295,568.97
  5. Step 5: Solve for x
    x = 19,715,295,568.97/195,361.66
  6. Step 6: Final answer
    x = 100,916.91

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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.