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Finding the Fourth Proportional to 69,234.80, 103,852.20 and 22,492.40

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Solution

The fourth proportional to 69,234.80, 103,852.20 and 22,492.40 is: 33,738.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,234.80 : 103,852.20 = 22,492.40 : x
  2. Step 2: Convert to fraction form
    69,234.80/103,852.20 = 22,492.40/x
  3. Step 3: Cross multiply
    69,234.80x = 103,852.20 × 22,492.40
  4. Step 4: Simplify right side
    69,234.80x = 2,335,885,223.28
  5. Step 5: Solve for x
    x = 2,335,885,223.28/69,234.80
  6. Step 6: Final answer
    x = 33,738.60

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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.