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Finding the Fourth Proportional to 161,072.62, 241,576.12 and 61,197.80

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Solution

The fourth proportional to 161,072.62, 241,576.12 and 61,197.80 is: 91,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.62 : 241,576.12 = 61,197.80 : x
  2. Step 2: Convert to fraction form
    161,072.62/241,576.12 = 61,197.80/x
  3. Step 3: Cross multiply
    161,072.62x = 241,576.12 × 61,197.80
  4. Step 4: Simplify right side
    161,072.62x = 14,783,925,945.15
  5. Step 5: Solve for x
    x = 14,783,925,945.15/161,072.62
  6. Step 6: Final answer
    x = 91,784.23

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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.