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Finding the Fourth Proportional to 247,994.60, 342,215.70 and 134,814.92

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Solution

The fourth proportional to 247,994.60, 342,215.70 and 134,814.92 is: 186,035.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,994.60 : 342,215.70 = 134,814.92 : x
  2. Step 2: Convert to fraction form
    247,994.60/342,215.70 = 134,814.92/x
  3. Step 3: Cross multiply
    247,994.60x = 342,215.70 × 134,814.92
  4. Step 4: Simplify right side
    247,994.60x = 46,135,782,218.24
  5. Step 5: Solve for x
    x = 46,135,782,218.24/247,994.60
  6. Step 6: Final answer
    x = 186,035.43

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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.