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Finding the Fourth Proportional to 247,591.80, 341,669.88 and 140,160.96

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Solution

The fourth proportional to 247,591.80, 341,669.88 and 140,160.96 is: 193,418.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,591.80 : 341,669.88 = 140,160.96 : x
  2. Step 2: Convert to fraction form
    247,591.80/341,669.88 = 140,160.96/x
  3. Step 3: Cross multiply
    247,591.80x = 341,669.88 × 140,160.96
  4. Step 4: Simplify right side
    247,591.80x = 47,888,778,383.88
  5. Step 5: Solve for x
    x = 47,888,778,383.88/247,591.80
  6. Step 6: Final answer
    x = 193,418.27

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1.5x scale

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.