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Finding the Fourth Proportional to 224,313.49, 309,474.44 and 143,785.41

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Solution

The fourth proportional to 224,313.49, 309,474.44 and 143,785.41 is: 198,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,313.49 : 309,474.44 = 143,785.41 : x
  2. Step 2: Convert to fraction form
    224,313.49/309,474.44 = 143,785.41/x
  3. Step 3: Cross multiply
    224,313.49x = 309,474.44 × 143,785.41
  4. Step 4: Simplify right side
    224,313.49x = 44,497,909,239.92
  5. Step 5: Solve for x
    x = 44,497,909,239.92/224,313.49
  6. Step 6: Final answer
    x = 198,373.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.