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Finding the Fourth Proportional to 183,719.76, 275,472.39 and 71,268.58

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Solution

The fourth proportional to 183,719.76, 275,472.39 and 71,268.58 is: 106,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,719.76 : 275,472.39 = 71,268.58 : x
  2. Step 2: Convert to fraction form
    183,719.76/275,472.39 = 71,268.58/x
  3. Step 3: Cross multiply
    183,719.76x = 275,472.39 × 71,268.58
  4. Step 4: Simplify right side
    183,719.76x = 19,632,526,064.51
  5. Step 5: Solve for x
    x = 19,632,526,064.51/183,719.76
  6. Step 6: Final answer
    x = 106,861.27

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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.