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Finding the Fourth Proportional to 200,459, 276,642.06 and 111,035

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Solution

The fourth proportional to 200,459, 276,642.06 and 111,035 is: 153,233.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,459 : 276,642.06 = 111,035 : x
  2. Step 2: Convert to fraction form
    200,459/276,642.06 = 111,035/x
  3. Step 3: Cross multiply
    200,459x = 276,642.06 × 111,035
  4. Step 4: Simplify right side
    200,459x = 30,716,951,132.10
  5. Step 5: Solve for x
    x = 30,716,951,132.10/200,459
  6. Step 6: Final answer
    x = 153,233.09

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