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Finding the Fourth Proportional to 136,039.54, 204,059.80 and 41,270.54

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Solution

The fourth proportional to 136,039.54, 204,059.80 and 41,270.54 is: 61,905.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,039.54 : 204,059.80 = 41,270.54 : x
  2. Step 2: Convert to fraction form
    136,039.54/204,059.80 = 41,270.54/x
  3. Step 3: Cross multiply
    136,039.54x = 204,059.80 × 41,270.54
  4. Step 4: Simplify right side
    136,039.54x = 8,421,658,138.29
  5. Step 5: Solve for x
    x = 8,421,658,138.29/136,039.54
  6. Step 6: Final answer
    x = 61,905.96

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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.