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Finding the Fourth Proportional to 84,568.50, 116,704.53 and 51,034.50

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Solution

The fourth proportional to 84,568.50, 116,704.53 and 51,034.50 is: 70,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,568.50 : 116,704.53 = 51,034.50 : x
  2. Step 2: Convert to fraction form
    84,568.50/116,704.53 = 51,034.50/x
  3. Step 3: Cross multiply
    84,568.50x = 116,704.53 × 51,034.50
  4. Step 4: Simplify right side
    84,568.50x = 5,955,957,336.29
  5. Step 5: Solve for x
    x = 5,955,957,336.29/84,568.50
  6. Step 6: Final answer
    x = 70,427.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.