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Finding the Fourth Proportional to 325,336.08, 488,043.48 and 114,930.96

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Solution

The fourth proportional to 325,336.08, 488,043.48 and 114,930.96 is: 172,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,336.08 : 488,043.48 = 114,930.96 : x
  2. Step 2: Convert to fraction form
    325,336.08/488,043.48 = 114,930.96/x
  3. Step 3: Cross multiply
    325,336.08x = 488,043.48 × 114,930.96
  4. Step 4: Simplify right side
    325,336.08x = 56,091,305,678.14
  5. Step 5: Solve for x
    x = 56,091,305,678.14/325,336.08
  6. Step 6: Final answer
    x = 172,410.34

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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.