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Finding the Fourth Proportional to 69,510, 104,002.56 and 43,091.04

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Solution

The fourth proportional to 69,510, 104,002.56 and 43,091.04 is: 64,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,510 : 104,002.56 = 43,091.04 : x
  2. Step 2: Convert to fraction form
    69,510/104,002.56 = 43,091.04/x
  3. Step 3: Cross multiply
    69,510x = 104,002.56 × 43,091.04
  4. Step 4: Simplify right side
    69,510x = 4,481,578,473.06
  5. Step 5: Solve for x
    x = 4,481,578,473.06/69,510
  6. Step 6: Final answer
    x = 64,473.87

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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.