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Finding the Fourth Proportional to 229,757.65, 344,636.60 and 71,998.45

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Solution

The fourth proportional to 229,757.65, 344,636.60 and 71,998.45 is: 107,997.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,757.65 : 344,636.60 = 71,998.45 : x
  2. Step 2: Convert to fraction form
    229,757.65/344,636.60 = 71,998.45/x
  3. Step 3: Cross multiply
    229,757.65x = 344,636.60 × 71,998.45
  4. Step 4: Simplify right side
    229,757.65x = 24,813,301,013.27
  5. Step 5: Solve for x
    x = 24,813,301,013.27/229,757.65
  6. Step 6: Final answer
    x = 107,997.71

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1.5x scale

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.