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Finding the Fourth Proportional to 70,835.59, 106,137.91 and 41,278.33

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Solution

The fourth proportional to 70,835.59, 106,137.91 and 41,278.33 is: 61,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.59 : 106,137.91 = 41,278.33 : x
  2. Step 2: Convert to fraction form
    70,835.59/106,137.91 = 41,278.33/x
  3. Step 3: Cross multiply
    70,835.59x = 106,137.91 × 41,278.33
  4. Step 4: Simplify right side
    70,835.59x = 4,381,195,674.49
  5. Step 5: Solve for x
    x = 4,381,195,674.49/70,835.59
  6. Step 6: Final answer
    x = 61,850.20

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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.