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Finding the Fourth Proportional to 159,028.99, 219,491.91 and 94,485.80

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Solution

The fourth proportional to 159,028.99, 219,491.91 and 94,485.80 is: 130,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,028.99 : 219,491.91 = 94,485.80 : x
  2. Step 2: Convert to fraction form
    159,028.99/219,491.91 = 94,485.80/x
  3. Step 3: Cross multiply
    159,028.99x = 219,491.91 × 94,485.80
  4. Step 4: Simplify right side
    159,028.99x = 20,738,868,709.88
  5. Step 5: Solve for x
    x = 20,738,868,709.88/159,028.99
  6. Step 6: Final answer
    x = 130,409.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.