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Finding the Fourth Proportional to 266,891.72, 368,310.38 and 146,033.80

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Solution

The fourth proportional to 266,891.72, 368,310.38 and 146,033.80 is: 201,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,891.72 : 368,310.38 = 146,033.80 : x
  2. Step 2: Convert to fraction form
    266,891.72/368,310.38 = 146,033.80/x
  3. Step 3: Cross multiply
    266,891.72x = 368,310.38 × 146,033.80
  4. Step 4: Simplify right side
    266,891.72x = 53,785,764,370.84
  5. Step 5: Solve for x
    x = 53,785,764,370.84/266,891.72
  6. Step 6: Final answer
    x = 201,526.54

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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.