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Finding the Fourth Proportional to 223,581.26, 308,440.36 and 132,885.69

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Solution

The fourth proportional to 223,581.26, 308,440.36 and 132,885.69 is: 183,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,581.26 : 308,440.36 = 132,885.69 : x
  2. Step 2: Convert to fraction form
    223,581.26/308,440.36 = 132,885.69/x
  3. Step 3: Cross multiply
    223,581.26x = 308,440.36 × 132,885.69
  4. Step 4: Simplify right side
    223,581.26x = 40,987,310,062.45
  5. Step 5: Solve for x
    x = 40,987,310,062.45/223,581.26
  6. Step 6: Final answer
    x = 183,321.76

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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.