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Finding the Fourth Proportional to 133,628.94, 200,423.97 and 50,503.50

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Solution

The fourth proportional to 133,628.94, 200,423.97 and 50,503.50 is: 75,747.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,628.94 : 200,423.97 = 50,503.50 : x
  2. Step 2: Convert to fraction form
    133,628.94/200,423.97 = 50,503.50/x
  3. Step 3: Cross multiply
    133,628.94x = 200,423.97 × 50,503.50
  4. Step 4: Simplify right side
    133,628.94x = 10,122,111,968.90
  5. Step 5: Solve for x
    x = 10,122,111,968.90/133,628.94
  6. Step 6: Final answer
    x = 75,747.90

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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.