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Finding the Fourth Proportional to 133,391.80, 200,039.10 and 44,648.20

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Solution

The fourth proportional to 133,391.80, 200,039.10 and 44,648.20 is: 66,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,391.80 : 200,039.10 = 44,648.20 : x
  2. Step 2: Convert to fraction form
    133,391.80/200,039.10 = 44,648.20/x
  3. Step 3: Cross multiply
    133,391.80x = 200,039.10 × 44,648.20
  4. Step 4: Simplify right side
    133,391.80x = 8,931,385,744.62
  5. Step 5: Solve for x
    x = 8,931,385,744.62/133,391.80
  6. Step 6: Final answer
    x = 66,956.03

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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.