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Finding the Fourth Proportional to 133,728.32, 200,566.48 and 50,628.80

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Solution

The fourth proportional to 133,728.32, 200,566.48 and 50,628.80 is: 75,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,728.32 : 200,566.48 = 50,628.80 : x
  2. Step 2: Convert to fraction form
    133,728.32/200,566.48 = 50,628.80/x
  3. Step 3: Cross multiply
    133,728.32x = 200,566.48 × 50,628.80
  4. Step 4: Simplify right side
    133,728.32x = 10,154,440,202.62
  5. Step 5: Solve for x
    x = 10,154,440,202.62/133,728.32
  6. Step 6: Final answer
    x = 75,933.36

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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.