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Finding the Fourth Proportional to 104,054.80, 156,053.40 and 41,731.60

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Solution

The fourth proportional to 104,054.80, 156,053.40 and 41,731.60 is: 62,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,054.80 : 156,053.40 = 41,731.60 : x
  2. Step 2: Convert to fraction form
    104,054.80/156,053.40 = 41,731.60/x
  3. Step 3: Cross multiply
    104,054.80x = 156,053.40 × 41,731.60
  4. Step 4: Simplify right side
    104,054.80x = 6,512,358,067.44
  5. Step 5: Solve for x
    x = 6,512,358,067.44/104,054.80
  6. Step 6: Final answer
    x = 62,585.85

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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.