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Finding the Fourth Proportional to 69,442, 104,141.40 and 25,062.94

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Solution

The fourth proportional to 69,442, 104,141.40 and 25,062.94 is: 37,586.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,442 : 104,141.40 = 25,062.94 : x
  2. Step 2: Convert to fraction form
    69,442/104,141.40 = 25,062.94/x
  3. Step 3: Cross multiply
    69,442x = 104,141.40 × 25,062.94
  4. Step 4: Simplify right side
    69,442x = 2,610,089,659.72
  5. Step 5: Solve for x
    x = 2,610,089,659.72/69,442
  6. Step 6: Final answer
    x = 37,586.61

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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.