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Finding the Fourth Proportional to 70,763.88, 106,153.25 and 35,234.01

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Solution

The fourth proportional to 70,763.88, 106,153.25 and 35,234.01 is: 52,854.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,763.88 : 106,153.25 = 35,234.01 : x
  2. Step 2: Convert to fraction form
    70,763.88/106,153.25 = 35,234.01/x
  3. Step 3: Cross multiply
    70,763.88x = 106,153.25 × 35,234.01
  4. Step 4: Simplify right side
    70,763.88x = 3,740,204,495.86
  5. Step 5: Solve for x
    x = 3,740,204,495.86/70,763.88
  6. Step 6: Final answer
    x = 52,854.71

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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.