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Finding the Fourth Proportional to 74,540.14, 111,862.05 and 48,179.50

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Solution

The fourth proportional to 74,540.14, 111,862.05 and 48,179.50 is: 72,302.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,540.14 : 111,862.05 = 48,179.50 : x
  2. Step 2: Convert to fraction form
    74,540.14/111,862.05 = 48,179.50/x
  3. Step 3: Cross multiply
    74,540.14x = 111,862.05 × 48,179.50
  4. Step 4: Simplify right side
    74,540.14x = 5,389,457,637.98
  5. Step 5: Solve for x
    x = 5,389,457,637.98/74,540.14
  6. Step 6: Final answer
    x = 72,302.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.