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Finding the Fourth Proportional to 202,294.48, 303,442.44 and 69,270.88

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Solution

The fourth proportional to 202,294.48, 303,442.44 and 69,270.88 is: 103,906.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,294.48 : 303,442.44 = 69,270.88 : x
  2. Step 2: Convert to fraction form
    202,294.48/303,442.44 = 69,270.88/x
  3. Step 3: Cross multiply
    202,294.48x = 303,442.44 × 69,270.88
  4. Step 4: Simplify right side
    202,294.48x = 21,019,724,848.15
  5. Step 5: Solve for x
    x = 21,019,724,848.15/202,294.48
  6. Step 6: Final answer
    x = 103,906.57

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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.