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Finding the Fourth Proportional to 311,066.73, 466,674.18 and 100,704.66

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Solution

The fourth proportional to 311,066.73, 466,674.18 and 100,704.66 is: 151,080.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,066.73 : 466,674.18 = 100,704.66 : x
  2. Step 2: Convert to fraction form
    311,066.73/466,674.18 = 100,704.66/x
  3. Step 3: Cross multiply
    311,066.73x = 466,674.18 × 100,704.66
  4. Step 4: Simplify right side
    311,066.73x = 46,996,264,627.68
  5. Step 5: Solve for x
    x = 46,996,264,627.68/311,066.73
  6. Step 6: Final answer
    x = 151,080.97

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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.