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Finding the Fourth Proportional to 42,141.69, 58,157.87 and 23,278.41

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Solution

The fourth proportional to 42,141.69, 58,157.87 and 23,278.41 is: 32,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,141.69 : 58,157.87 = 23,278.41 : x
  2. Step 2: Convert to fraction form
    42,141.69/58,157.87 = 23,278.41/x
  3. Step 3: Cross multiply
    42,141.69x = 58,157.87 × 23,278.41
  4. Step 4: Simplify right side
    42,141.69x = 1,353,822,626.19
  5. Step 5: Solve for x
    x = 1,353,822,626.19/42,141.69
  6. Step 6: Final answer
    x = 32,125.49

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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.