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Finding the Fourth Proportional to 143,524.01, 215,285.81 and 48,764.03

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Solution

The fourth proportional to 143,524.01, 215,285.81 and 48,764.03 is: 73,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,524.01 : 215,285.81 = 48,764.03 : x
  2. Step 2: Convert to fraction form
    143,524.01/215,285.81 = 48,764.03/x
  3. Step 3: Cross multiply
    143,524.01x = 215,285.81 × 48,764.03
  4. Step 4: Simplify right side
    143,524.01x = 10,498,203,991.81
  5. Step 5: Solve for x
    x = 10,498,203,991.81/143,524.01
  6. Step 6: Final answer
    x = 73,145.98

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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.