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Finding the Fourth Proportional to 73,521.60, 110,283.84 and 20,932.44

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Solution

The fourth proportional to 73,521.60, 110,283.84 and 20,932.44 is: 31,399.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,521.60 : 110,283.84 = 20,932.44 : x
  2. Step 2: Convert to fraction form
    73,521.60/110,283.84 = 20,932.44/x
  3. Step 3: Cross multiply
    73,521.60x = 110,283.84 × 20,932.44
  4. Step 4: Simplify right side
    73,521.60x = 2,308,509,863.77
  5. Step 5: Solve for x
    x = 2,308,509,863.77/73,521.60
  6. Step 6: Final answer
    x = 31,399.07

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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.