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Finding the Fourth Proportional to 247,894.96, 342,094.04 and 140,485.44

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Solution

The fourth proportional to 247,894.96, 342,094.04 and 140,485.44 is: 193,869.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,894.96 : 342,094.04 = 140,485.44 : x
  2. Step 2: Convert to fraction form
    247,894.96/342,094.04 = 140,485.44/x
  3. Step 3: Cross multiply
    247,894.96x = 342,094.04 × 140,485.44
  4. Step 4: Simplify right side
    247,894.96x = 48,059,231,730.78
  5. Step 5: Solve for x
    x = 48,059,231,730.78/247,894.96
  6. Step 6: Final answer
    x = 193,869.34

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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.