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Finding the Fourth Proportional to 126,575.34, 189,873.90 and 33,081

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Solution

The fourth proportional to 126,575.34, 189,873.90 and 33,081 is: 49,624.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,575.34 : 189,873.90 = 33,081 : x
  2. Step 2: Convert to fraction form
    126,575.34/189,873.90 = 33,081/x
  3. Step 3: Cross multiply
    126,575.34x = 189,873.90 × 33,081
  4. Step 4: Simplify right side
    126,575.34x = 6,281,218,485.90
  5. Step 5: Solve for x
    x = 6,281,218,485.90/126,575.34
  6. Step 6: Final answer
    x = 49,624.35

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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.