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Finding the Fourth Proportional to 294,151.02, 441,168.44 and 80,863.90

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Solution

The fourth proportional to 294,151.02, 441,168.44 and 80,863.90 is: 121,279.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,151.02 : 441,168.44 = 80,863.90 : x
  2. Step 2: Convert to fraction form
    294,151.02/441,168.44 = 80,863.90/x
  3. Step 3: Cross multiply
    294,151.02x = 441,168.44 × 80,863.90
  4. Step 4: Simplify right side
    294,151.02x = 35,674,600,615.32
  5. Step 5: Solve for x
    x = 35,674,600,615.32/294,151.02
  6. Step 6: Final answer
    x = 121,279.88

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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.