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Finding the Fourth Proportional to 183,991.56, 275,987.34 and 57,632.88

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Solution

The fourth proportional to 183,991.56, 275,987.34 and 57,632.88 is: 86,449.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,991.56 : 275,987.34 = 57,632.88 : x
  2. Step 2: Convert to fraction form
    183,991.56/275,987.34 = 57,632.88/x
  3. Step 3: Cross multiply
    183,991.56x = 275,987.34 × 57,632.88
  4. Step 4: Simplify right side
    183,991.56x = 15,905,945,247.74
  5. Step 5: Solve for x
    x = 15,905,945,247.74/183,991.56
  6. Step 6: Final answer
    x = 86,449.32

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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.