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Finding the Fourth Proportional to 119,291.28, 179,018.94 and 44,471.28

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Solution

The fourth proportional to 119,291.28, 179,018.94 and 44,471.28 is: 66,737.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,291.28 : 179,018.94 = 44,471.28 : x
  2. Step 2: Convert to fraction form
    119,291.28/179,018.94 = 44,471.28/x
  3. Step 3: Cross multiply
    119,291.28x = 179,018.94 × 44,471.28
  4. Step 4: Simplify right side
    119,291.28x = 7,961,200,861.92
  5. Step 5: Solve for x
    x = 7,961,200,861.92/119,291.28
  6. Step 6: Final answer
    x = 66,737.49

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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.