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Finding the Fourth Proportional to 247,810.96, 341,996.03 and 140,381.87

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Solution

The fourth proportional to 247,810.96, 341,996.03 and 140,381.87 is: 193,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,810.96 : 341,996.03 = 140,381.87 : x
  2. Step 2: Convert to fraction form
    247,810.96/341,996.03 = 140,381.87/x
  3. Step 3: Cross multiply
    247,810.96x = 341,996.03 × 140,381.87
  4. Step 4: Simplify right side
    247,810.96x = 48,010,043,429.92
  5. Step 5: Solve for x
    x = 48,010,043,429.92/247,810.96
  6. Step 6: Final answer
    x = 193,736.56

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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.