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Finding the Fourth Proportional to 158,991.84, 219,399.84 and 95,297.76

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Solution

The fourth proportional to 158,991.84, 219,399.84 and 95,297.76 is: 131,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,991.84 : 219,399.84 = 95,297.76 : x
  2. Step 2: Convert to fraction form
    158,991.84/219,399.84 = 95,297.76/x
  3. Step 3: Cross multiply
    158,991.84x = 219,399.84 × 95,297.76
  4. Step 4: Simplify right side
    158,991.84x = 20,908,313,296.36
  5. Step 5: Solve for x
    x = 20,908,313,296.36/158,991.84
  6. Step 6: Final answer
    x = 131,505.57

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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.