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Finding the Fourth Proportional to 133,755.62, 200,616.99 and 77,626.25

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Solution

The fourth proportional to 133,755.62, 200,616.99 and 77,626.25 is: 116,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,755.62 : 200,616.99 = 77,626.25 : x
  2. Step 2: Convert to fraction form
    133,755.62/200,616.99 = 77,626.25/x
  3. Step 3: Cross multiply
    133,755.62x = 200,616.99 × 77,626.25
  4. Step 4: Simplify right side
    133,755.62x = 15,573,144,619.99
  5. Step 5: Solve for x
    x = 15,573,144,619.99/133,755.62
  6. Step 6: Final answer
    x = 116,429.83

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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.