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Finding the Fourth Proportional to 107,561.44, 161,120.16 and 63,052.96

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Solution

The fourth proportional to 107,561.44, 161,120.16 and 63,052.96 is: 94,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,561.44 : 161,120.16 = 63,052.96 : x
  2. Step 2: Convert to fraction form
    107,561.44/161,120.16 = 63,052.96/x
  3. Step 3: Cross multiply
    107,561.44x = 161,120.16 × 63,052.96
  4. Step 4: Simplify right side
    107,561.44x = 10,159,103,003.67
  5. Step 5: Solve for x
    x = 10,159,103,003.67/107,561.44
  6. Step 6: Final answer
    x = 94,449.30

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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.