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Finding the Fourth Proportional to 247,096.94, 340,994.22 and 133,919.72

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Solution

The fourth proportional to 247,096.94, 340,994.22 and 133,919.72 is: 184,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,096.94 : 340,994.22 = 133,919.72 : x
  2. Step 2: Convert to fraction form
    247,096.94/340,994.22 = 133,919.72/x
  3. Step 3: Cross multiply
    247,096.94x = 340,994.22 × 133,919.72
  4. Step 4: Simplify right side
    247,096.94x = 45,665,850,464.02
  5. Step 5: Solve for x
    x = 45,665,850,464.02/247,096.94
  6. Step 6: Final answer
    x = 184,809.45

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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.