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Finding the Fourth Proportional to 266,896.72, 400,502.94 and 98,534.44

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Solution

The fourth proportional to 266,896.72, 400,502.94 and 98,534.44 is: 147,859.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,896.72 : 400,502.94 = 98,534.44 : x
  2. Step 2: Convert to fraction form
    266,896.72/400,502.94 = 98,534.44/x
  3. Step 3: Cross multiply
    266,896.72x = 400,502.94 × 98,534.44
  4. Step 4: Simplify right side
    266,896.72x = 39,463,332,911.25
  5. Step 5: Solve for x
    x = 39,463,332,911.25/266,896.72
  6. Step 6: Final answer
    x = 147,859.94

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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.