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Finding the Fourth Proportional to 276,794.73, 415,321.29 and 108,271.41

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Solution

The fourth proportional to 276,794.73, 415,321.29 and 108,271.41 is: 162,457.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,794.73 : 415,321.29 = 108,271.41 : x
  2. Step 2: Convert to fraction form
    276,794.73/415,321.29 = 108,271.41/x
  3. Step 3: Cross multiply
    276,794.73x = 415,321.29 × 108,271.41
  4. Step 4: Simplify right side
    276,794.73x = 44,967,421,671.32
  5. Step 5: Solve for x
    x = 44,967,421,671.32/276,794.73
  6. Step 6: Final answer
    x = 162,457.65

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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.