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Finding the Fourth Proportional to 158,688.81, 218,997.41 and 95,014.44

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Solution

The fourth proportional to 158,688.81, 218,997.41 and 95,014.44 is: 131,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,688.81 : 218,997.41 = 95,014.44 : x
  2. Step 2: Convert to fraction form
    158,688.81/218,997.41 = 95,014.44/x
  3. Step 3: Cross multiply
    158,688.81x = 218,997.41 × 95,014.44
  4. Step 4: Simplify right side
    158,688.81x = 20,807,915,797.53
  5. Step 5: Solve for x
    x = 20,807,915,797.53/158,688.81
  6. Step 6: Final answer
    x = 131,124.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.