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Finding the Fourth Proportional to 167,008.32, 230,469.84 and 91,556.64

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Solution

The fourth proportional to 167,008.32, 230,469.84 and 91,556.64 is: 126,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,008.32 : 230,469.84 = 91,556.64 : x
  2. Step 2: Convert to fraction form
    167,008.32/230,469.84 = 91,556.64/x
  3. Step 3: Cross multiply
    167,008.32x = 230,469.84 × 91,556.64
  4. Step 4: Simplify right side
    167,008.32x = 21,101,044,171.74
  5. Step 5: Solve for x
    x = 21,101,044,171.74/167,008.32
  6. Step 6: Final answer
    x = 126,347.26

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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.