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Finding the Fourth Proportional to 267,951.68, 401,720.16 and 120,104

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Solution

The fourth proportional to 267,951.68, 401,720.16 and 120,104 is: 180,063.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,951.68 : 401,720.16 = 120,104 : x
  2. Step 2: Convert to fraction form
    267,951.68/401,720.16 = 120,104/x
  3. Step 3: Cross multiply
    267,951.68x = 401,720.16 × 120,104
  4. Step 4: Simplify right side
    267,951.68x = 48,248,198,096.64
  5. Step 5: Solve for x
    x = 48,248,198,096.64/267,951.68
  6. Step 6: Final answer
    x = 180,063.06

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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.