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Finding the Fourth Proportional to 159,796.81, 220,546.43 and 96,140.53

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Solution

The fourth proportional to 159,796.81, 220,546.43 and 96,140.53 is: 132,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,796.81 : 220,546.43 = 96,140.53 : x
  2. Step 2: Convert to fraction form
    159,796.81/220,546.43 = 96,140.53/x
  3. Step 3: Cross multiply
    159,796.81x = 220,546.43 × 96,140.53
  4. Step 4: Simplify right side
    159,796.81x = 21,203,450,669.81
  5. Step 5: Solve for x
    x = 21,203,450,669.81/159,796.81
  6. Step 6: Final answer
    x = 132,690.07

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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.