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Finding the Fourth Proportional to 135,967.22, 203,880.80 and 61,023.12

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Solution

The fourth proportional to 135,967.22, 203,880.80 and 61,023.12 is: 91,503.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,967.22 : 203,880.80 = 61,023.12 : x
  2. Step 2: Convert to fraction form
    135,967.22/203,880.80 = 61,023.12/x
  3. Step 3: Cross multiply
    135,967.22x = 203,880.80 × 61,023.12
  4. Step 4: Simplify right side
    135,967.22x = 12,441,442,676.65
  5. Step 5: Solve for x
    x = 12,441,442,676.65/135,967.22
  6. Step 6: Final answer
    x = 91,503.25

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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.