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Finding the Fourth Proportional to 119,251.84, 178,959.84 and 49,131.04

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Solution

The fourth proportional to 119,251.84, 178,959.84 and 49,131.04 is: 73,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,251.84 : 178,959.84 = 49,131.04 : x
  2. Step 2: Convert to fraction form
    119,251.84/178,959.84 = 49,131.04/x
  3. Step 3: Cross multiply
    119,251.84x = 178,959.84 × 49,131.04
  4. Step 4: Simplify right side
    119,251.84x = 8,792,483,057.43
  5. Step 5: Solve for x
    x = 8,792,483,057.43/119,251.84
  6. Step 6: Final answer
    x = 73,730.38

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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.