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Finding the Fourth Proportional to 224,232.88, 336,406.16 and 74,473.96

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Solution

The fourth proportional to 224,232.88, 336,406.16 and 74,473.96 is: 111,729.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,232.88 : 336,406.16 = 74,473.96 : x
  2. Step 2: Convert to fraction form
    224,232.88/336,406.16 = 74,473.96/x
  3. Step 3: Cross multiply
    224,232.88x = 336,406.16 × 74,473.96
  4. Step 4: Simplify right side
    224,232.88x = 25,053,497,933.38
  5. Step 5: Solve for x
    x = 25,053,497,933.38/224,232.88
  6. Step 6: Final answer
    x = 111,729.81

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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.