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Finding the Fourth Proportional to 202,366.72, 303,541.08 and 69,258.88

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Solution

The fourth proportional to 202,366.72, 303,541.08 and 69,258.88 is: 103,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,366.72 : 303,541.08 = 69,258.88 : x
  2. Step 2: Convert to fraction form
    202,366.72/303,541.08 = 69,258.88/x
  3. Step 3: Cross multiply
    202,366.72x = 303,541.08 × 69,258.88
  4. Step 4: Simplify right side
    202,366.72x = 21,022,915,234.79
  5. Step 5: Solve for x
    x = 21,022,915,234.79/202,366.72
  6. Step 6: Final answer
    x = 103,885.24

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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.