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Finding the Fourth Proportional to 220,241.10, 303,860.44 and 123,430.82

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Solution

The fourth proportional to 220,241.10, 303,860.44 and 123,430.82 is: 170,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,241.10 : 303,860.44 = 123,430.82 : x
  2. Step 2: Convert to fraction form
    220,241.10/303,860.44 = 123,430.82/x
  3. Step 3: Cross multiply
    220,241.10x = 303,860.44 × 123,430.82
  4. Step 4: Simplify right side
    220,241.10x = 37,505,743,274.76
  5. Step 5: Solve for x
    x = 37,505,743,274.76/220,241.10
  6. Step 6: Final answer
    x = 170,294.02

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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.