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Finding the Fourth Proportional to 69,078.84, 103,615.83 and 22,330.50

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Solution

The fourth proportional to 69,078.84, 103,615.83 and 22,330.50 is: 33,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,078.84 : 103,615.83 = 22,330.50 : x
  2. Step 2: Convert to fraction form
    69,078.84/103,615.83 = 22,330.50/x
  3. Step 3: Cross multiply
    69,078.84x = 103,615.83 × 22,330.50
  4. Step 4: Simplify right side
    69,078.84x = 2,313,793,291.82
  5. Step 5: Solve for x
    x = 2,313,793,291.82/69,078.84
  6. Step 6: Final answer
    x = 33,494.96

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.