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Finding the Fourth Proportional to 147,887, 204,084.06 and 80,819

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Solution

The fourth proportional to 147,887, 204,084.06 and 80,819 is: 111,530.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,887 : 204,084.06 = 80,819 : x
  2. Step 2: Convert to fraction form
    147,887/204,084.06 = 80,819/x
  3. Step 3: Cross multiply
    147,887x = 204,084.06 × 80,819
  4. Step 4: Simplify right side
    147,887x = 16,493,869,645.14
  5. Step 5: Solve for x
    x = 16,493,869,645.14/147,887
  6. Step 6: Final answer
    x = 111,530.22

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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.