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Finding the Fourth Proportional to 244,416.40, 366,916.20 and 137,885.20

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Solution

The fourth proportional to 244,416.40, 366,916.20 and 137,885.20 is: 206,992.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,416.40 : 366,916.20 = 137,885.20 : x
  2. Step 2: Convert to fraction form
    244,416.40/366,916.20 = 137,885.20/x
  3. Step 3: Cross multiply
    244,416.40x = 366,916.20 × 137,885.20
  4. Step 4: Simplify right side
    244,416.40x = 50,592,313,620.24
  5. Step 5: Solve for x
    x = 50,592,313,620.24/244,416.40
  6. Step 6: Final answer
    x = 206,992.30

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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.