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Finding the Fourth Proportional to 201,975.93, 303,015.63 and 75,617.96

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Solution

The fourth proportional to 201,975.93, 303,015.63 and 75,617.96 is: 113,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,975.93 : 303,015.63 = 75,617.96 : x
  2. Step 2: Convert to fraction form
    201,975.93/303,015.63 = 75,617.96/x
  3. Step 3: Cross multiply
    201,975.93x = 303,015.63 × 75,617.96
  4. Step 4: Simplify right side
    201,975.93x = 22,913,422,557.20
  5. Step 5: Solve for x
    x = 22,913,422,557.20/201,975.93
  6. Step 6: Final answer
    x = 113,446.30

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Why These Related Problems?

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