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Finding the Fourth Proportional to 237,960.78, 356,902.80 and 69,441.54

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Solution

The fourth proportional to 237,960.78, 356,902.80 and 69,441.54 is: 104,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,960.78 : 356,902.80 = 69,441.54 : x
  2. Step 2: Convert to fraction form
    237,960.78/356,902.80 = 69,441.54/x
  3. Step 3: Cross multiply
    237,960.78x = 356,902.80 × 69,441.54
  4. Step 4: Simplify right side
    237,960.78x = 24,783,880,062.31
  5. Step 5: Solve for x
    x = 24,783,880,062.31/237,960.78
  6. Step 6: Final answer
    x = 104,151.11

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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.