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Finding the Fourth Proportional to 412,561.60, 618,842.82 and 113,044.60

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Solution

The fourth proportional to 412,561.60, 618,842.82 and 113,044.60 is: 169,567.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,561.60 : 618,842.82 = 113,044.60 : x
  2. Step 2: Convert to fraction form
    412,561.60/618,842.82 = 113,044.60/x
  3. Step 3: Cross multiply
    412,561.60x = 618,842.82 × 113,044.60
  4. Step 4: Simplify right side
    412,561.60x = 69,956,839,049.77
  5. Step 5: Solve for x
    x = 69,956,839,049.77/412,561.60
  6. Step 6: Final answer
    x = 169,567.02

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.