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Finding the Fourth Proportional to 104,618, 156,997.56 and 38,954

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Solution

The fourth proportional to 104,618, 156,997.56 and 38,954 is: 58,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,618 : 156,997.56 = 38,954 : x
  2. Step 2: Convert to fraction form
    104,618/156,997.56 = 38,954/x
  3. Step 3: Cross multiply
    104,618x = 156,997.56 × 38,954
  4. Step 4: Simplify right side
    104,618x = 6,115,682,952.24
  5. Step 5: Solve for x
    x = 6,115,682,952.24/104,618
  6. Step 6: Final answer
    x = 58,457.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.