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Finding the Fourth Proportional to 70,872.33, 106,374.11 and 35,836.59

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Solution

The fourth proportional to 70,872.33, 106,374.11 and 35,836.59 is: 53,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,872.33 : 106,374.11 = 35,836.59 : x
  2. Step 2: Convert to fraction form
    70,872.33/106,374.11 = 35,836.59/x
  3. Step 3: Cross multiply
    70,872.33x = 106,374.11 × 35,836.59
  4. Step 4: Simplify right side
    70,872.33x = 3,812,085,187.50
  5. Step 5: Solve for x
    x = 3,812,085,187.50/70,872.33
  6. Step 6: Final answer
    x = 53,788.06

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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.