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Finding the Fourth Proportional to 224,047.38, 336,128.36 and 74,329.41

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Solution

The fourth proportional to 224,047.38, 336,128.36 and 74,329.41 is: 111,513.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,047.38 : 336,128.36 = 74,329.41 : x
  2. Step 2: Convert to fraction form
    224,047.38/336,128.36 = 74,329.41/x
  3. Step 3: Cross multiply
    224,047.38x = 336,128.36 × 74,329.41
  4. Step 4: Simplify right side
    224,047.38x = 24,984,222,311.42
  5. Step 5: Solve for x
    x = 24,984,222,311.42/224,047.38
  6. Step 6: Final answer
    x = 111,513.12

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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.