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Finding the Fourth Proportional to 136,094.70, 204,128.86 and 41,325.71

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Solution

The fourth proportional to 136,094.70, 204,128.86 and 41,325.71 is: 61,984.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,094.70 : 204,128.86 = 41,325.71 : x
  2. Step 2: Convert to fraction form
    136,094.70/204,128.86 = 41,325.71/x
  3. Step 3: Cross multiply
    136,094.70x = 204,128.86 × 41,325.71
  4. Step 4: Simplify right side
    136,094.70x = 8,435,769,795.65
  5. Step 5: Solve for x
    x = 8,435,769,795.65/136,094.70
  6. Step 6: Final answer
    x = 61,984.56

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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.