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Finding the Fourth Proportional to 92,300.65, 138,450.96 and 22,179.96

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Solution

The fourth proportional to 92,300.65, 138,450.96 and 22,179.96 is: 33,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,300.65 : 138,450.96 = 22,179.96 : x
  2. Step 2: Convert to fraction form
    92,300.65/138,450.96 = 22,179.96/x
  3. Step 3: Cross multiply
    92,300.65x = 138,450.96 × 22,179.96
  4. Step 4: Simplify right side
    92,300.65x = 3,070,836,671.59
  5. Step 5: Solve for x
    x = 3,070,836,671.59/92,300.65
  6. Step 6: Final answer
    x = 33,269.94

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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.