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Finding the Fourth Proportional to 42,157.56, 58,174.86 and 23,293.56

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Solution

The fourth proportional to 42,157.56, 58,174.86 and 23,293.56 is: 32,143.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,157.56 : 58,174.86 = 23,293.56 : x
  2. Step 2: Convert to fraction form
    42,157.56/58,174.86 = 23,293.56/x
  3. Step 3: Cross multiply
    42,157.56x = 58,174.86 × 23,293.56
  4. Step 4: Simplify right side
    42,157.56x = 1,355,099,591.90
  5. Step 5: Solve for x
    x = 1,355,099,591.90/42,157.56
  6. Step 6: Final answer
    x = 32,143.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.