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Finding the Fourth Proportional to 202,464.32, 303,363.26 and 69,271.79

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Solution

The fourth proportional to 202,464.32, 303,363.26 and 69,271.79 is: 103,793.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,464.32 : 303,363.26 = 69,271.79 : x
  2. Step 2: Convert to fraction form
    202,464.32/303,363.26 = 69,271.79/x
  3. Step 3: Cross multiply
    202,464.32x = 303,363.26 × 69,271.79
  4. Step 4: Simplify right side
    202,464.32x = 21,014,515,694.08
  5. Step 5: Solve for x
    x = 21,014,515,694.08/202,464.32
  6. Step 6: Final answer
    x = 103,793.67

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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.