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Finding the Fourth Proportional to 70,828.15, 106,250.03 and 23,425.98

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Solution

The fourth proportional to 70,828.15, 106,250.03 and 23,425.98 is: 35,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,828.15 : 106,250.03 = 23,425.98 : x
  2. Step 2: Convert to fraction form
    70,828.15/106,250.03 = 23,425.98/x
  3. Step 3: Cross multiply
    70,828.15x = 106,250.03 × 23,425.98
  4. Step 4: Simplify right side
    70,828.15x = 2,489,011,546.54
  5. Step 5: Solve for x
    x = 2,489,011,546.54/70,828.15
  6. Step 6: Final answer
    x = 35,141.56

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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.