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Finding the Fourth Proportional to 114,576.50, 158,134.59 and 66,829.86

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Solution

The fourth proportional to 114,576.50, 158,134.59 and 66,829.86 is: 92,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,576.50 : 158,134.59 = 66,829.86 : x
  2. Step 2: Convert to fraction form
    114,576.50/158,134.59 = 66,829.86/x
  3. Step 3: Cross multiply
    114,576.50x = 158,134.59 × 66,829.86
  4. Step 4: Simplify right side
    114,576.50x = 10,568,112,572.04
  5. Step 5: Solve for x
    x = 10,568,112,572.04/114,576.50
  6. Step 6: Final answer
    x = 92,236.30

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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.