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Finding the Fourth Proportional to 79,375.76, 119,096.96 and 49,415.06

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Solution

The fourth proportional to 79,375.76, 119,096.96 and 49,415.06 is: 74,143.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,375.76 : 119,096.96 = 49,415.06 : x
  2. Step 2: Convert to fraction form
    79,375.76/119,096.96 = 49,415.06/x
  3. Step 3: Cross multiply
    79,375.76x = 119,096.96 × 49,415.06
  4. Step 4: Simplify right side
    79,375.76x = 5,885,182,828.73
  5. Step 5: Solve for x
    x = 5,885,182,828.73/79,375.76
  6. Step 6: Final answer
    x = 74,143.33

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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.