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Finding the Fourth Proportional to 202,173.20, 303,065.40 and 157,169.60

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Solution

The fourth proportional to 202,173.20, 303,065.40 and 157,169.60 is: 235,603.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,173.20 : 303,065.40 = 157,169.60 : x
  2. Step 2: Convert to fraction form
    202,173.20/303,065.40 = 157,169.60/x
  3. Step 3: Cross multiply
    202,173.20x = 303,065.40 × 157,169.60
  4. Step 4: Simplify right side
    202,173.20x = 47,632,667,691.84
  5. Step 5: Solve for x
    x = 47,632,667,691.84/202,173.20
  6. Step 6: Final answer
    x = 235,603.27

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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.