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Finding the Fourth Proportional to 111,504, 153,872.97 and 60,516.83

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Solution

The fourth proportional to 111,504, 153,872.97 and 60,516.83 is: 83,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,504 : 153,872.97 = 60,516.83 : x
  2. Step 2: Convert to fraction form
    111,504/153,872.97 = 60,516.83/x
  3. Step 3: Cross multiply
    111,504x = 153,872.97 × 60,516.83
  4. Step 4: Simplify right side
    111,504x = 9,311,904,367.09
  5. Step 5: Solve for x
    x = 9,311,904,367.09/111,504
  6. Step 6: Final answer
    x = 83,511.84

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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.