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Finding the Fourth Proportional to 66,694.93, 100,035.02 and 16,775.05

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Solution

The fourth proportional to 66,694.93, 100,035.02 and 16,775.05 is: 25,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,694.93 : 100,035.02 = 16,775.05 : x
  2. Step 2: Convert to fraction form
    66,694.93/100,035.02 = 16,775.05/x
  3. Step 3: Cross multiply
    66,694.93x = 100,035.02 × 16,775.05
  4. Step 4: Simplify right side
    66,694.93x = 1,678,091,962.08
  5. Step 5: Solve for x
    x = 1,678,091,962.08/66,694.93
  6. Step 6: Final answer
    x = 25,160.71

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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.