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Finding the Fourth Proportional to 131,699.82, 197,511.57 and 93,945.90

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Solution

The fourth proportional to 131,699.82, 197,511.57 and 93,945.90 is: 140,891.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,699.82 : 197,511.57 = 93,945.90 : x
  2. Step 2: Convert to fraction form
    131,699.82/197,511.57 = 93,945.90/x
  3. Step 3: Cross multiply
    131,699.82x = 197,511.57 × 93,945.90
  4. Step 4: Simplify right side
    131,699.82x = 18,555,402,204.06
  5. Step 5: Solve for x
    x = 18,555,402,204.06/131,699.82
  6. Step 6: Final answer
    x = 140,891.63

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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.