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Finding the Fourth Proportional to 73,964.80, 110,947.20 and 34,525.90

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Solution

The fourth proportional to 73,964.80, 110,947.20 and 34,525.90 is: 51,788.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,964.80 : 110,947.20 = 34,525.90 : x
  2. Step 2: Convert to fraction form
    73,964.80/110,947.20 = 34,525.90/x
  3. Step 3: Cross multiply
    73,964.80x = 110,947.20 × 34,525.90
  4. Step 4: Simplify right side
    73,964.80x = 3,830,551,932.48
  5. Step 5: Solve for x
    x = 3,830,551,932.48/73,964.80
  6. Step 6: Final answer
    x = 51,788.85

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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.