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Finding the Fourth Proportional to 42,161.67, 58,181.31 and 23,041.17

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Solution

The fourth proportional to 42,161.67, 58,181.31 and 23,041.17 is: 31,795.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,161.67 : 58,181.31 = 23,041.17 : x
  2. Step 2: Convert to fraction form
    42,161.67/58,181.31 = 23,041.17/x
  3. Step 3: Cross multiply
    42,161.67x = 58,181.31 × 23,041.17
  4. Step 4: Simplify right side
    42,161.67x = 1,340,565,454.53
  5. Step 5: Solve for x
    x = 1,340,565,454.53/42,161.67
  6. Step 6: Final answer
    x = 31,795.83

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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.