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Finding the Fourth Proportional to 247,013.58, 340,878.83 and 133,836.33

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Solution

The fourth proportional to 247,013.58, 340,878.83 and 133,836.33 is: 184,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,013.58 : 340,878.83 = 133,836.33 : x
  2. Step 2: Convert to fraction form
    247,013.58/340,878.83 = 133,836.33/x
  3. Step 3: Cross multiply
    247,013.58x = 340,878.83 × 133,836.33
  4. Step 4: Simplify right side
    247,013.58x = 45,621,970,912.71
  5. Step 5: Solve for x
    x = 45,621,970,912.71/247,013.58
  6. Step 6: Final answer
    x = 184,694.18

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1.5x scale

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.