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Finding the Fourth Proportional to 194,372.40, 267,834.24 and 149,048.04

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Solution

The fourth proportional to 194,372.40, 267,834.24 and 149,048.04 is: 205,379.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,372.40 : 267,834.24 = 149,048.04 : x
  2. Step 2: Convert to fraction form
    194,372.40/267,834.24 = 149,048.04/x
  3. Step 3: Cross multiply
    194,372.40x = 267,834.24 × 149,048.04
  4. Step 4: Simplify right side
    194,372.40x = 39,920,168,516.89
  5. Step 5: Solve for x
    x = 39,920,168,516.89/194,372.40
  6. Step 6: Final answer
    x = 205,379.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.