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Finding the Fourth Proportional to 69,704.62, 104,498.15 and 30,232.00

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Solution

The fourth proportional to 69,704.62, 104,498.15 and 30,232.00 is: 45,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,704.62 : 104,498.15 = 30,232.00 : x
  2. Step 2: Convert to fraction form
    69,704.62/104,498.15 = 30,232.00/x
  3. Step 3: Cross multiply
    69,704.62x = 104,498.15 × 30,232.00
  4. Step 4: Simplify right side
    69,704.62x = 3,159,188,050.26
  5. Step 5: Solve for x
    x = 3,159,188,050.26/69,704.62
  6. Step 6: Final answer
    x = 45,322.51

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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.