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Finding the Fourth Proportional to 148,850.80, 223,216.80 and 48,983.20

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Solution

The fourth proportional to 148,850.80, 223,216.80 and 48,983.20 is: 73,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,850.80 : 223,216.80 = 48,983.20 : x
  2. Step 2: Convert to fraction form
    148,850.80/223,216.80 = 48,983.20/x
  3. Step 3: Cross multiply
    148,850.80x = 223,216.80 × 48,983.20
  4. Step 4: Simplify right side
    148,850.80x = 10,933,873,157.76
  5. Step 5: Solve for x
    x = 10,933,873,157.76/148,850.80
  6. Step 6: Final answer
    x = 73,455.25

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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.