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Finding the Fourth Proportional to 143,754.59, 215,663.63 and 43,922.59

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Solution

The fourth proportional to 143,754.59, 215,663.63 and 43,922.59 is: 65,893.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,754.59 : 215,663.63 = 43,922.59 : x
  2. Step 2: Convert to fraction form
    143,754.59/215,663.63 = 43,922.59/x
  3. Step 3: Cross multiply
    143,754.59x = 215,663.63 × 43,922.59
  4. Step 4: Simplify right side
    143,754.59x = 9,472,504,439.63
  5. Step 5: Solve for x
    x = 9,472,504,439.63/143,754.59
  6. Step 6: Final answer
    x = 65,893.58

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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.