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Finding the Fourth Proportional to 172,803.26, 238,469.58 and 96,327.21

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Solution

The fourth proportional to 172,803.26, 238,469.58 and 96,327.21 is: 132,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,803.26 : 238,469.58 = 96,327.21 : x
  2. Step 2: Convert to fraction form
    172,803.26/238,469.58 = 96,327.21/x
  3. Step 3: Cross multiply
    172,803.26x = 238,469.58 × 96,327.21
  4. Step 4: Simplify right side
    172,803.26x = 22,971,109,311.27
  5. Step 5: Solve for x
    x = 22,971,109,311.27/172,803.26
  6. Step 6: Final answer
    x = 132,932.15

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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.