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Finding the Fourth Proportional to 247,662.75, 341,778.86 and 134,485.50

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Solution

The fourth proportional to 247,662.75, 341,778.86 and 134,485.50 is: 185,592.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,662.75 : 341,778.86 = 134,485.50 : x
  2. Step 2: Convert to fraction form
    247,662.75/341,778.86 = 134,485.50/x
  3. Step 3: Cross multiply
    247,662.75x = 341,778.86 × 134,485.50
  4. Step 4: Simplify right side
    247,662.75x = 45,964,300,204.10
  5. Step 5: Solve for x
    x = 45,964,300,204.10/247,662.75
  6. Step 6: Final answer
    x = 185,592.30

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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.