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Finding the Fourth Proportional to 133,648.32, 200,394.72 and 50,548.80

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Solution

The fourth proportional to 133,648.32, 200,394.72 and 50,548.80 is: 75,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,648.32 : 200,394.72 = 50,548.80 : x
  2. Step 2: Convert to fraction form
    133,648.32/200,394.72 = 50,548.80/x
  3. Step 3: Cross multiply
    133,648.32x = 200,394.72 × 50,548.80
  4. Step 4: Simplify right side
    133,648.32x = 10,129,712,622.34
  5. Step 5: Solve for x
    x = 10,129,712,622.34/133,648.32
  6. Step 6: Final answer
    x = 75,793.79

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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.