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Finding the Fourth Proportional to 222,758.39, 334,128.40 and 80,607.03

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Solution

The fourth proportional to 222,758.39, 334,128.40 and 80,607.03 is: 120,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,758.39 : 334,128.40 = 80,607.03 : x
  2. Step 2: Convert to fraction form
    222,758.39/334,128.40 = 80,607.03/x
  3. Step 3: Cross multiply
    222,758.39x = 334,128.40 × 80,607.03
  4. Step 4: Simplify right side
    222,758.39x = 26,933,097,962.65
  5. Step 5: Solve for x
    x = 26,933,097,962.65/222,758.39
  6. Step 6: Final answer
    x = 120,907.22

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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.