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Finding the Fourth Proportional to 70,761.88, 106,150.25 and 35,232.01

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Solution

The fourth proportional to 70,761.88, 106,150.25 and 35,232.01 is: 52,851.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,761.88 : 106,150.25 = 35,232.01 : x
  2. Step 2: Convert to fraction form
    70,761.88/106,150.25 = 35,232.01/x
  3. Step 3: Cross multiply
    70,761.88x = 106,150.25 × 35,232.01
  4. Step 4: Simplify right side
    70,761.88x = 3,739,886,669.50
  5. Step 5: Solve for x
    x = 3,739,886,669.50/70,761.88
  6. Step 6: Final answer
    x = 52,851.71

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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.