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Finding the Fourth Proportional to 183,735.13, 275,620.10 and 71,424.03

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Solution

The fourth proportional to 183,735.13, 275,620.10 and 71,424.03 is: 107,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,735.13 : 275,620.10 = 71,424.03 : x
  2. Step 2: Convert to fraction form
    183,735.13/275,620.10 = 71,424.03/x
  3. Step 3: Cross multiply
    183,735.13x = 275,620.10 × 71,424.03
  4. Step 4: Simplify right side
    183,735.13x = 19,685,898,291.00
  5. Step 5: Solve for x
    x = 19,685,898,291.00/183,735.13
  6. Step 6: Final answer
    x = 107,142.81

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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.