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Finding the Fourth Proportional to 234,672.81, 351,892.64 and 74,727.87

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Solution

The fourth proportional to 234,672.81, 351,892.64 and 74,727.87 is: 112,054.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,672.81 : 351,892.64 = 74,727.87 : x
  2. Step 2: Convert to fraction form
    234,672.81/351,892.64 = 74,727.87/x
  3. Step 3: Cross multiply
    234,672.81x = 351,892.64 × 74,727.87
  4. Step 4: Simplify right side
    234,672.81x = 26,296,185,902.75
  5. Step 5: Solve for x
    x = 26,296,185,902.75/234,672.81
  6. Step 6: Final answer
    x = 112,054.68

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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.