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Finding the Fourth Proportional to 222,353.60, 333,530.40 and 133,561.40

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Solution

The fourth proportional to 222,353.60, 333,530.40 and 133,561.40 is: 200,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,353.60 : 333,530.40 = 133,561.40 : x
  2. Step 2: Convert to fraction form
    222,353.60/333,530.40 = 133,561.40/x
  3. Step 3: Cross multiply
    222,353.60x = 333,530.40 × 133,561.40
  4. Step 4: Simplify right side
    222,353.60x = 44,546,787,166.56
  5. Step 5: Solve for x
    x = 44,546,787,166.56/222,353.60
  6. Step 6: Final answer
    x = 200,342.10

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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.