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Finding the Fourth Proportional to 57,604.40, 86,147.40 and 48,273.20

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Solution

The fourth proportional to 57,604.40, 86,147.40 and 48,273.20 is: 72,192.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,604.40 : 86,147.40 = 48,273.20 : x
  2. Step 2: Convert to fraction form
    57,604.40/86,147.40 = 48,273.20/x
  3. Step 3: Cross multiply
    57,604.40x = 86,147.40 × 48,273.20
  4. Step 4: Simplify right side
    57,604.40x = 4,158,610,669.68
  5. Step 5: Solve for x
    x = 4,158,610,669.68/57,604.40
  6. Step 6: Final answer
    x = 72,192.59

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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.