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Finding the Fourth Proportional to 104,167.84, 156,247.92 and 30,293.92

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Solution

The fourth proportional to 104,167.84, 156,247.92 and 30,293.92 is: 45,439.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,167.84 : 156,247.92 = 30,293.92 : x
  2. Step 2: Convert to fraction form
    104,167.84/156,247.92 = 30,293.92/x
  3. Step 3: Cross multiply
    104,167.84x = 156,247.92 × 30,293.92
  4. Step 4: Simplify right side
    104,167.84x = 4,733,361,988.65
  5. Step 5: Solve for x
    x = 4,733,361,988.65/104,167.84
  6. Step 6: Final answer
    x = 45,439.76

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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.