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Finding the Fourth Proportional to 95,986.60, 143,807.10 and 82,162.60

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Solution

The fourth proportional to 95,986.60, 143,807.10 and 82,162.60 is: 123,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,986.60 : 143,807.10 = 82,162.60 : x
  2. Step 2: Convert to fraction form
    95,986.60/143,807.10 = 82,162.60/x
  3. Step 3: Cross multiply
    95,986.60x = 143,807.10 × 82,162.60
  4. Step 4: Simplify right side
    95,986.60x = 11,815,565,234.46
  5. Step 5: Solve for x
    x = 11,815,565,234.46/95,986.60
  6. Step 6: Final answer
    x = 123,095.99

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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.