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Finding the Fourth Proportional to 395,656.90, 593,486.09 and 96,137.73

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Solution

The fourth proportional to 395,656.90, 593,486.09 and 96,137.73 is: 144,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,656.90 : 593,486.09 = 96,137.73 : x
  2. Step 2: Convert to fraction form
    395,656.90/593,486.09 = 96,137.73/x
  3. Step 3: Cross multiply
    395,656.90x = 593,486.09 × 96,137.73
  4. Step 4: Simplify right side
    395,656.90x = 57,056,405,359.00
  5. Step 5: Solve for x
    x = 57,056,405,359.00/395,656.90
  6. Step 6: Final answer
    x = 144,206.78

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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.