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Finding the Fourth Proportional to 104,393.44, 156,614.08 and 45,239.04

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Solution

The fourth proportional to 104,393.44, 156,614.08 and 45,239.04 is: 67,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,393.44 : 156,614.08 = 45,239.04 : x
  2. Step 2: Convert to fraction form
    104,393.44/156,614.08 = 45,239.04/x
  3. Step 3: Cross multiply
    104,393.44x = 156,614.08 × 45,239.04
  4. Step 4: Simplify right side
    104,393.44x = 7,085,070,629.68
  5. Step 5: Solve for x
    x = 7,085,070,629.68/104,393.44
  6. Step 6: Final answer
    x = 67,868.93

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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.