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Finding the Fourth Proportional to 194,172.56, 267,958.08 and 109,290.08

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Solution

The fourth proportional to 194,172.56, 267,958.08 and 109,290.08 is: 150,820.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,172.56 : 267,958.08 = 109,290.08 : x
  2. Step 2: Convert to fraction form
    194,172.56/267,958.08 = 109,290.08/x
  3. Step 3: Cross multiply
    194,172.56x = 267,958.08 × 109,290.08
  4. Step 4: Simplify right side
    194,172.56x = 29,285,159,999.85
  5. Step 5: Solve for x
    x = 29,285,159,999.85/194,172.56
  6. Step 6: Final answer
    x = 150,820.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.