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Finding the Fourth Proportional to 294,523.90, 441,843.45 and 126,043.90

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Solution

The fourth proportional to 294,523.90, 441,843.45 and 126,043.90 is: 189,090.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,523.90 : 441,843.45 = 126,043.90 : x
  2. Step 2: Convert to fraction form
    294,523.90/441,843.45 = 126,043.90/x
  3. Step 3: Cross multiply
    294,523.90x = 441,843.45 × 126,043.90
  4. Step 4: Simplify right side
    294,523.90x = 55,691,671,627.46
  5. Step 5: Solve for x
    x = 55,691,671,627.46/294,523.90
  6. Step 6: Final answer
    x = 189,090.50

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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.