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Finding the Fourth Proportional to 247,660.94, 341,765.51 and 140,241.17

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Solution

The fourth proportional to 247,660.94, 341,765.51 and 140,241.17 is: 193,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,660.94 : 341,765.51 = 140,241.17 : x
  2. Step 2: Convert to fraction form
    247,660.94/341,765.51 = 140,241.17/x
  3. Step 3: Cross multiply
    247,660.94x = 341,765.51 × 140,241.17
  4. Step 4: Simplify right side
    247,660.94x = 47,929,592,578.01
  5. Step 5: Solve for x
    x = 47,929,592,578.01/247,660.94
  6. Step 6: Final answer
    x = 193,529.08

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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.