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Finding the Fourth Proportional to 126,506.66, 189,759.92 and 33,012.42

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Solution

The fourth proportional to 126,506.66, 189,759.92 and 33,012.42 is: 49,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,506.66 : 189,759.92 = 33,012.42 : x
  2. Step 2: Convert to fraction form
    126,506.66/189,759.92 = 33,012.42/x
  3. Step 3: Cross multiply
    126,506.66x = 189,759.92 × 33,012.42
  4. Step 4: Simplify right side
    126,506.66x = 6,264,434,178.21
  5. Step 5: Solve for x
    x = 6,264,434,178.21/126,506.66
  6. Step 6: Final answer
    x = 49,518.61

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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.