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Finding the Fourth Proportional to 234,485.66, 351,727.56 and 56,993.18

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Solution

The fourth proportional to 234,485.66, 351,727.56 and 56,993.18 is: 85,489.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,485.66 : 351,727.56 = 56,993.18 : x
  2. Step 2: Convert to fraction form
    234,485.66/351,727.56 = 56,993.18/x
  3. Step 3: Cross multiply
    234,485.66x = 351,727.56 × 56,993.18
  4. Step 4: Simplify right side
    234,485.66x = 20,046,072,138.04
  5. Step 5: Solve for x
    x = 20,046,072,138.04/234,485.66
  6. Step 6: Final answer
    x = 85,489.54

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Why These Related Problems?

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