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Finding the Fourth Proportional to 162,999.62, 224,939.32 and 91,379.66

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Solution

The fourth proportional to 162,999.62, 224,939.32 and 91,379.66 is: 126,103.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,999.62 : 224,939.32 = 91,379.66 : x
  2. Step 2: Convert to fraction form
    162,999.62/224,939.32 = 91,379.66/x
  3. Step 3: Cross multiply
    162,999.62x = 224,939.32 × 91,379.66
  4. Step 4: Simplify right side
    162,999.62x = 20,554,877,229.09
  5. Step 5: Solve for x
    x = 20,554,877,229.09/162,999.62
  6. Step 6: Final answer
    x = 126,103.84

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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.