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Finding the Fourth Proportional to 89,330.33, 133,992.29 and 22,769.90

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Solution

The fourth proportional to 89,330.33, 133,992.29 and 22,769.90 is: 34,154.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,330.33 : 133,992.29 = 22,769.90 : x
  2. Step 2: Convert to fraction form
    89,330.33/133,992.29 = 22,769.90/x
  3. Step 3: Cross multiply
    89,330.33x = 133,992.29 × 22,769.90
  4. Step 4: Simplify right side
    89,330.33x = 3,050,990,260.26
  5. Step 5: Solve for x
    x = 3,050,990,260.26/89,330.33
  6. Step 6: Final answer
    x = 34,154.03

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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.