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Finding the Fourth Proportional to 133,506.55, 200,265.98 and 74,297.62

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Solution

The fourth proportional to 133,506.55, 200,265.98 and 74,297.62 is: 111,449.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,506.55 : 200,265.98 = 74,297.62 : x
  2. Step 2: Convert to fraction form
    133,506.55/200,265.98 = 74,297.62/x
  3. Step 3: Cross multiply
    133,506.55x = 200,265.98 × 74,297.62
  4. Step 4: Simplify right side
    133,506.55x = 14,879,285,680.97
  5. Step 5: Solve for x
    x = 14,879,285,680.97/133,506.55
  6. Step 6: Final answer
    x = 111,449.86

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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.