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Finding the Fourth Proportional to 124,227.54, 171,485.51 and 94,021.29

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Solution

The fourth proportional to 124,227.54, 171,485.51 and 94,021.29 is: 129,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,227.54 : 171,485.51 = 94,021.29 : x
  2. Step 2: Convert to fraction form
    124,227.54/171,485.51 = 94,021.29/x
  3. Step 3: Cross multiply
    124,227.54x = 171,485.51 × 94,021.29
  4. Step 4: Simplify right side
    124,227.54x = 16,123,288,396.40
  5. Step 5: Solve for x
    x = 16,123,288,396.40/124,227.54
  6. Step 6: Final answer
    x = 129,788.36

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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.