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Finding the Fourth Proportional to 247,558.68, 341,687.16 and 157,039.56

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Solution

The fourth proportional to 247,558.68, 341,687.16 and 157,039.56 is: 216,750.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,558.68 : 341,687.16 = 157,039.56 : x
  2. Step 2: Convert to fraction form
    247,558.68/341,687.16 = 157,039.56/x
  3. Step 3: Cross multiply
    247,558.68x = 341,687.16 × 157,039.56
  4. Step 4: Simplify right side
    247,558.68x = 53,658,401,264.05
  5. Step 5: Solve for x
    x = 53,658,401,264.05/247,558.68
  6. Step 6: Final answer
    x = 216,750.23

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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.