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Finding the Fourth Proportional to 69,706.50, 104,500.95 and 30,233.88

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Solution

The fourth proportional to 69,706.50, 104,500.95 and 30,233.88 is: 45,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,706.50 : 104,500.95 = 30,233.88 : x
  2. Step 2: Convert to fraction form
    69,706.50/104,500.95 = 30,233.88/x
  3. Step 3: Cross multiply
    69,706.50x = 104,500.95 × 30,233.88
  4. Step 4: Simplify right side
    69,706.50x = 3,159,469,182.19
  5. Step 5: Solve for x
    x = 3,159,469,182.19/69,706.50
  6. Step 6: Final answer
    x = 45,325.32

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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.