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Finding the Fourth Proportional to 70,682.88, 105,834.96 and 37,333.92

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Solution

The fourth proportional to 70,682.88, 105,834.96 and 37,333.92 is: 55,900.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,682.88 : 105,834.96 = 37,333.92 : x
  2. Step 2: Convert to fraction form
    70,682.88/105,834.96 = 37,333.92/x
  3. Step 3: Cross multiply
    70,682.88x = 105,834.96 × 37,333.92
  4. Step 4: Simplify right side
    70,682.88x = 3,951,233,929.84
  5. Step 5: Solve for x
    x = 3,951,233,929.84/70,682.88
  6. Step 6: Final answer
    x = 55,900.86

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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.