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Finding the Fourth Proportional to 107,765.73, 161,668.20 and 44,551.53

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Solution

The fourth proportional to 107,765.73, 161,668.20 and 44,551.53 is: 66,835.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,765.73 : 161,668.20 = 44,551.53 : x
  2. Step 2: Convert to fraction form
    107,765.73/161,668.20 = 44,551.53/x
  3. Step 3: Cross multiply
    107,765.73x = 161,668.20 × 44,551.53
  4. Step 4: Simplify right side
    107,765.73x = 7,202,565,662.35
  5. Step 5: Solve for x
    x = 7,202,565,662.35/107,765.73
  6. Step 6: Final answer
    x = 66,835.40

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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.