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Finding the Fourth Proportional to 126,261.92, 189,410.88 and 41,994.32

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Solution

The fourth proportional to 126,261.92, 189,410.88 and 41,994.32 is: 62,997.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,261.92 : 189,410.88 = 41,994.32 : x
  2. Step 2: Convert to fraction form
    126,261.92/189,410.88 = 41,994.32/x
  3. Step 3: Cross multiply
    126,261.92x = 189,410.88 × 41,994.32
  4. Step 4: Simplify right side
    126,261.92x = 7,954,181,106.20
  5. Step 5: Solve for x
    x = 7,954,181,106.20/126,261.92
  6. Step 6: Final answer
    x = 62,997.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.