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Finding the Fourth Proportional to 69,089.35, 103,634.03 and 69,089.35

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Solution

The fourth proportional to 69,089.35, 103,634.03 and 69,089.35 is: 103,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.35 : 103,634.03 = 69,089.35 : x
  2. Step 2: Convert to fraction form
    69,089.35/103,634.03 = 69,089.35/x
  3. Step 3: Cross multiply
    69,089.35x = 103,634.03 × 69,089.35
  4. Step 4: Simplify right side
    69,089.35x = 7,160,007,770.58
  5. Step 5: Solve for x
    x = 7,160,007,770.58/69,089.35
  6. Step 6: Final answer
    x = 103,634.03

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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.