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Finding the Fourth Proportional to 247,994.62, 342,235.02 and 134,819.80

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Solution

The fourth proportional to 247,994.62, 342,235.02 and 134,819.80 is: 186,052.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,994.62 : 342,235.02 = 134,819.80 : x
  2. Step 2: Convert to fraction form
    247,994.62/342,235.02 = 134,819.80/x
  3. Step 3: Cross multiply
    247,994.62x = 342,235.02 × 134,819.80
  4. Step 4: Simplify right side
    247,994.62x = 46,140,056,949.40
  5. Step 5: Solve for x
    x = 46,140,056,949.40/247,994.62
  6. Step 6: Final answer
    x = 186,052.65

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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.