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Finding the Fourth Proportional to 69,326.10, 103,989.15 and 22,578.98

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Solution

The fourth proportional to 69,326.10, 103,989.15 and 22,578.98 is: 33,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,326.10 : 103,989.15 = 22,578.98 : x
  2. Step 2: Convert to fraction form
    69,326.10/103,989.15 = 22,578.98/x
  3. Step 3: Cross multiply
    69,326.10x = 103,989.15 × 22,578.98
  4. Step 4: Simplify right side
    69,326.10x = 2,347,968,333.45
  5. Step 5: Solve for x
    x = 2,347,968,333.45/69,326.10
  6. Step 6: Final answer
    x = 33,868.46

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Similar ratio
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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.