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Finding the Fourth Proportional to 229,790.59, 344,695.16 and 80,046.03

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Solution

The fourth proportional to 229,790.59, 344,695.16 and 80,046.03 is: 120,072.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,790.59 : 344,695.16 = 80,046.03 : x
  2. Step 2: Convert to fraction form
    229,790.59/344,695.16 = 80,046.03/x
  3. Step 3: Cross multiply
    229,790.59x = 344,695.16 × 80,046.03
  4. Step 4: Simplify right side
    229,790.59x = 27,591,479,118.21
  5. Step 5: Solve for x
    x = 27,591,479,118.21/229,790.59
  6. Step 6: Final answer
    x = 120,072.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.