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Finding the Fourth Proportional to 293,142.65, 439,731.41 and 113,229.45

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Solution

The fourth proportional to 293,142.65, 439,731.41 and 113,229.45 is: 169,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,142.65 : 439,731.41 = 113,229.45 : x
  2. Step 2: Convert to fraction form
    293,142.65/439,731.41 = 113,229.45/x
  3. Step 3: Cross multiply
    293,142.65x = 439,731.41 × 113,229.45
  4. Step 4: Simplify right side
    293,142.65x = 49,790,545,135.88
  5. Step 5: Solve for x
    x = 49,790,545,135.88/293,142.65
  6. Step 6: Final answer
    x = 169,850.91

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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.