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Finding the Fourth Proportional to 222,962.40, 334,443.60 and 134,488.80

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Solution

The fourth proportional to 222,962.40, 334,443.60 and 134,488.80 is: 201,733.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,962.40 : 334,443.60 = 134,488.80 : x
  2. Step 2: Convert to fraction form
    222,962.40/334,443.60 = 134,488.80/x
  3. Step 3: Cross multiply
    222,962.40x = 334,443.60 × 134,488.80
  4. Step 4: Simplify right side
    222,962.40x = 44,978,918,431.68
  5. Step 5: Solve for x
    x = 44,978,918,431.68/222,962.40
  6. Step 6: Final answer
    x = 201,733.20

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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.