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Finding the Fourth Proportional to 134,805, 202,212.36 and 50,556.60

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Solution

The fourth proportional to 134,805, 202,212.36 and 50,556.60 is: 75,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,805 : 202,212.36 = 50,556.60 : x
  2. Step 2: Convert to fraction form
    134,805/202,212.36 = 50,556.60/x
  3. Step 3: Cross multiply
    134,805x = 202,212.36 × 50,556.60
  4. Step 4: Simplify right side
    134,805x = 10,223,169,399.58
  5. Step 5: Solve for x
    x = 10,223,169,399.58/134,805
  6. Step 6: Final answer
    x = 75,836.72

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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.