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Finding the Fourth Proportional to 92,558.30, 138,836.23 and 22,438.22

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Solution

The fourth proportional to 92,558.30, 138,836.23 and 22,438.22 is: 33,657.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,558.30 : 138,836.23 = 22,438.22 : x
  2. Step 2: Convert to fraction form
    92,558.30/138,836.23 = 22,438.22/x
  3. Step 3: Cross multiply
    92,558.30x = 138,836.23 × 22,438.22
  4. Step 4: Simplify right side
    92,558.30x = 3,115,237,122.43
  5. Step 5: Solve for x
    x = 3,115,237,122.43/92,558.30
  6. Step 6: Final answer
    x = 33,657.03

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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.