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Finding the Fourth Proportional to 247,812.84, 341,979.39 and 134,635.59

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Solution

The fourth proportional to 247,812.84, 341,979.39 and 134,635.59 is: 185,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,812.84 : 341,979.39 = 134,635.59 : x
  2. Step 2: Convert to fraction form
    247,812.84/341,979.39 = 134,635.59/x
  3. Step 3: Cross multiply
    247,812.84x = 341,979.39 × 134,635.59
  4. Step 4: Simplify right side
    247,812.84x = 46,042,596,940.49
  5. Step 5: Solve for x
    x = 46,042,596,940.49/247,812.84
  6. Step 6: Final answer
    x = 185,795.85

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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.