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Finding the Fourth Proportional to 247,703.76, 341,505.87 and 178,735.29

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Solution

The fourth proportional to 247,703.76, 341,505.87 and 178,735.29 is: 246,419.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,703.76 : 341,505.87 = 178,735.29 : x
  2. Step 2: Convert to fraction form
    247,703.76/341,505.87 = 178,735.29/x
  3. Step 3: Cross multiply
    247,703.76x = 341,505.87 × 178,735.29
  4. Step 4: Simplify right side
    247,703.76x = 61,039,150,711.15
  5. Step 5: Solve for x
    x = 61,039,150,711.15/247,703.76
  6. Step 6: Final answer
    x = 246,419.96

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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.