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Finding the Fourth Proportional to 222,079.40, 333,119.10 and 133,605.80

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Solution

The fourth proportional to 222,079.40, 333,119.10 and 133,605.80 is: 200,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,079.40 : 333,119.10 = 133,605.80 : x
  2. Step 2: Convert to fraction form
    222,079.40/333,119.10 = 133,605.80/x
  3. Step 3: Cross multiply
    222,079.40x = 333,119.10 × 133,605.80
  4. Step 4: Simplify right side
    222,079.40x = 44,506,643,850.78
  5. Step 5: Solve for x
    x = 44,506,643,850.78/222,079.40
  6. Step 6: Final answer
    x = 200,408.70

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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.