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Finding the Fourth Proportional to 135,559.56, 203,289.12 and 46,788.96

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Solution

The fourth proportional to 135,559.56, 203,289.12 and 46,788.96 is: 70,166.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,559.56 : 203,289.12 = 46,788.96 : x
  2. Step 2: Convert to fraction form
    135,559.56/203,289.12 = 46,788.96/x
  3. Step 3: Cross multiply
    135,559.56x = 203,289.12 × 46,788.96
  4. Step 4: Simplify right side
    135,559.56x = 9,511,686,504.12
  5. Step 5: Solve for x
    x = 9,511,686,504.12/135,559.56
  6. Step 6: Final answer
    x = 70,166.11

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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.