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Finding the Fourth Proportional to 66,975.52, 100,463.46 and 50,126.26

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Solution

The fourth proportional to 66,975.52, 100,463.46 and 50,126.26 is: 75,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,975.52 : 100,463.46 = 50,126.26 : x
  2. Step 2: Convert to fraction form
    66,975.52/100,463.46 = 50,126.26/x
  3. Step 3: Cross multiply
    66,975.52x = 100,463.46 × 50,126.26
  4. Step 4: Simplify right side
    66,975.52x = 5,035,857,516.46
  5. Step 5: Solve for x
    x = 5,035,857,516.46/66,975.52
  6. Step 6: Final answer
    x = 75,189.52

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1.5x scale

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.