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Finding the Fourth Proportional to 179,969.50, 269,956.68 and 55,310.50

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Solution

The fourth proportional to 179,969.50, 269,956.68 and 55,310.50 is: 82,966.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,969.50 : 269,956.68 = 55,310.50 : x
  2. Step 2: Convert to fraction form
    179,969.50/269,956.68 = 55,310.50/x
  3. Step 3: Cross multiply
    179,969.50x = 269,956.68 × 55,310.50
  4. Step 4: Simplify right side
    179,969.50x = 14,931,438,949.14
  5. Step 5: Solve for x
    x = 14,931,438,949.14/179,969.50
  6. Step 6: Final answer
    x = 82,966.50

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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.