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Finding the Fourth Proportional to 69,002.34, 103,503.50 and 22,255.21

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Solution

The fourth proportional to 69,002.34, 103,503.50 and 22,255.21 is: 33,382.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,002.34 : 103,503.50 = 22,255.21 : x
  2. Step 2: Convert to fraction form
    69,002.34/103,503.50 = 22,255.21/x
  3. Step 3: Cross multiply
    69,002.34x = 103,503.50 × 22,255.21
  4. Step 4: Simplify right side
    69,002.34x = 2,303,492,128.24
  5. Step 5: Solve for x
    x = 2,303,492,128.24/69,002.34
  6. Step 6: Final answer
    x = 33,382.81

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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.