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Finding the Fourth Proportional to 220,205.25, 303,883.55 and 119,603.25

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Solution

The fourth proportional to 220,205.25, 303,883.55 and 119,603.25 is: 165,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,205.25 : 303,883.55 = 119,603.25 : x
  2. Step 2: Convert to fraction form
    220,205.25/303,883.55 = 119,603.25/x
  3. Step 3: Cross multiply
    220,205.25x = 303,883.55 × 119,603.25
  4. Step 4: Simplify right side
    220,205.25x = 36,345,460,052.03
  5. Step 5: Solve for x
    x = 36,345,460,052.03/220,205.25
  6. Step 6: Final answer
    x = 165,052.65

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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.