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Finding the Fourth Proportional to 159,804.44, 220,522.64 and 91,773.45

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Solution

The fourth proportional to 159,804.44, 220,522.64 and 91,773.45 is: 126,643.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,804.44 : 220,522.64 = 91,773.45 : x
  2. Step 2: Convert to fraction form
    159,804.44/220,522.64 = 91,773.45/x
  3. Step 3: Cross multiply
    159,804.44x = 220,522.64 × 91,773.45
  4. Step 4: Simplify right side
    159,804.44x = 20,238,123,017.04
  5. Step 5: Solve for x
    x = 20,238,123,017.04/159,804.44
  6. Step 6: Final answer
    x = 126,643.06

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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.