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Finding the Fourth Proportional to 49,911.10, 74,953.05 and 48,355.90

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Solution

The fourth proportional to 49,911.10, 74,953.05 and 48,355.90 is: 72,617.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,911.10 : 74,953.05 = 48,355.90 : x
  2. Step 2: Convert to fraction form
    49,911.10/74,953.05 = 48,355.90/x
  3. Step 3: Cross multiply
    49,911.10x = 74,953.05 × 48,355.90
  4. Step 4: Simplify right side
    49,911.10x = 3,624,422,190.50
  5. Step 5: Solve for x
    x = 3,624,422,190.50/49,911.10
  6. Step 6: Final answer
    x = 72,617.56

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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.