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Finding the Fourth Proportional to 102,679.80, 154,025.21 and 32,564.58

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Solution

The fourth proportional to 102,679.80, 154,025.21 and 32,564.58 is: 48,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,679.80 : 154,025.21 = 32,564.58 : x
  2. Step 2: Convert to fraction form
    102,679.80/154,025.21 = 32,564.58/x
  3. Step 3: Cross multiply
    102,679.80x = 154,025.21 × 32,564.58
  4. Step 4: Simplify right side
    102,679.80x = 5,015,766,110.24
  5. Step 5: Solve for x
    x = 5,015,766,110.24/102,679.80
  6. Step 6: Final answer
    x = 48,848.62

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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.