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Finding the Fourth Proportional to 112,940.99, 169,368.30 and 38,041

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Solution

The fourth proportional to 112,940.99, 169,368.30 and 38,041 is: 57,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,940.99 : 169,368.30 = 38,041 : x
  2. Step 2: Convert to fraction form
    112,940.99/169,368.30 = 38,041/x
  3. Step 3: Cross multiply
    112,940.99x = 169,368.30 × 38,041
  4. Step 4: Simplify right side
    112,940.99x = 6,442,939,500.30
  5. Step 5: Solve for x
    x = 6,442,939,500.30/112,940.99
  6. Step 6: Final answer
    x = 57,046.95

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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.