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Finding the Fourth Proportional to 276,950.46, 415,425.69 and 66,588.41

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Solution

The fourth proportional to 276,950.46, 415,425.69 and 66,588.41 is: 99,882.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,950.46 : 415,425.69 = 66,588.41 : x
  2. Step 2: Convert to fraction form
    276,950.46/415,425.69 = 66,588.41/x
  3. Step 3: Cross multiply
    276,950.46x = 415,425.69 × 66,588.41
  4. Step 4: Simplify right side
    276,950.46x = 27,662,534,093.12
  5. Step 5: Solve for x
    x = 27,662,534,093.12/276,950.46
  6. Step 6: Final answer
    x = 99,882.61

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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.