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Finding the Fourth Proportional to 143,755.44, 215,591.64 and 48,983.52

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Solution

The fourth proportional to 143,755.44, 215,591.64 and 48,983.52 is: 73,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,755.44 : 215,591.64 = 48,983.52 : x
  2. Step 2: Convert to fraction form
    143,755.44/215,591.64 = 48,983.52/x
  3. Step 3: Cross multiply
    143,755.44x = 215,591.64 × 48,983.52
  4. Step 4: Simplify right side
    143,755.44x = 10,560,437,409.77
  5. Step 5: Solve for x
    x = 10,560,437,409.77/143,755.44
  6. Step 6: Final answer
    x = 73,461.13

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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.