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Finding the Fourth Proportional to 266,949.82, 400,459.96 and 98,588.48

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Solution

The fourth proportional to 266,949.82, 400,459.96 and 98,588.48 is: 147,895.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,949.82 : 400,459.96 = 98,588.48 : x
  2. Step 2: Convert to fraction form
    266,949.82/400,459.96 = 98,588.48/x
  3. Step 3: Cross multiply
    266,949.82x = 400,459.96 × 98,588.48
  4. Step 4: Simplify right side
    266,949.82x = 39,480,738,757.26
  5. Step 5: Solve for x
    x = 39,480,738,757.26/266,949.82
  6. Step 6: Final answer
    x = 147,895.73

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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.