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Finding the Fourth Proportional to 114,469.09, 157,967.33 and 63,489.62

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Solution

The fourth proportional to 114,469.09, 157,967.33 and 63,489.62 is: 87,615.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,469.09 : 157,967.33 = 63,489.62 : x
  2. Step 2: Convert to fraction form
    114,469.09/157,967.33 = 63,489.62/x
  3. Step 3: Cross multiply
    114,469.09x = 157,967.33 × 63,489.62
  4. Step 4: Simplify right side
    114,469.09x = 10,029,286,456.56
  5. Step 5: Solve for x
    x = 10,029,286,456.56/114,469.09
  6. Step 6: Final answer
    x = 87,615.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.