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Finding the Fourth Proportional to 247,794.05, 341,944.81 and 140,361.93

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Solution

The fourth proportional to 247,794.05, 341,944.81 and 140,361.93 is: 193,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,794.05 : 341,944.81 = 140,361.93 : x
  2. Step 2: Convert to fraction form
    247,794.05/341,944.81 = 140,361.93/x
  3. Step 3: Cross multiply
    247,794.05x = 341,944.81 × 140,361.93
  4. Step 4: Simplify right side
    247,794.05x = 47,996,033,134.18
  5. Step 5: Solve for x
    x = 47,996,033,134.18/247,794.05
  6. Step 6: Final answer
    x = 193,693.24

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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.