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Finding the Fourth Proportional to 277,389.63, 416,131.92 and 87,846.44

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Solution

The fourth proportional to 277,389.63, 416,131.92 and 87,846.44 is: 131,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,389.63 : 416,131.92 = 87,846.44 : x
  2. Step 2: Convert to fraction form
    277,389.63/416,131.92 = 87,846.44/x
  3. Step 3: Cross multiply
    277,389.63x = 416,131.92 × 87,846.44
  4. Step 4: Simplify right side
    277,389.63x = 36,555,705,661.71
  5. Step 5: Solve for x
    x = 36,555,705,661.71/277,389.63
  6. Step 6: Final answer
    x = 131,784.69

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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.