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Finding the Fourth Proportional to 167,299.32, 230,867.88 and 90,814.80

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Solution

The fourth proportional to 167,299.32, 230,867.88 and 90,814.80 is: 125,321.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,299.32 : 230,867.88 = 90,814.80 : x
  2. Step 2: Convert to fraction form
    167,299.32/230,867.88 = 90,814.80/x
  3. Step 3: Cross multiply
    167,299.32x = 230,867.88 × 90,814.80
  4. Step 4: Simplify right side
    167,299.32x = 20,966,220,348.62
  5. Step 5: Solve for x
    x = 20,966,220,348.62/167,299.32
  6. Step 6: Final answer
    x = 125,321.61

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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.