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Finding the Fourth Proportional to 179,563.50, 247,786.02 and 98,991.72

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Solution

The fourth proportional to 179,563.50, 247,786.02 and 98,991.72 is: 136,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,563.50 : 247,786.02 = 98,991.72 : x
  2. Step 2: Convert to fraction form
    179,563.50/247,786.02 = 98,991.72/x
  3. Step 3: Cross multiply
    179,563.50x = 247,786.02 × 98,991.72
  4. Step 4: Simplify right side
    179,563.50x = 24,528,764,311.75
  5. Step 5: Solve for x
    x = 24,528,764,311.75/179,563.50
  6. Step 6: Final answer
    x = 136,602.17

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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.