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Finding the Fourth Proportional to 237,806.40, 356,623.20 and 119,438.40

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Solution

The fourth proportional to 237,806.40, 356,623.20 and 119,438.40 is: 179,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,806.40 : 356,623.20 = 119,438.40 : x
  2. Step 2: Convert to fraction form
    237,806.40/356,623.20 = 119,438.40/x
  3. Step 3: Cross multiply
    237,806.40x = 356,623.20 × 119,438.40
  4. Step 4: Simplify right side
    237,806.40x = 42,594,504,410.88
  5. Step 5: Solve for x
    x = 42,594,504,410.88/237,806.40
  6. Step 6: Final answer
    x = 179,114.21

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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.