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Finding the Fourth Proportional to 224,624.86, 336,824.61 and 74,812.48

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Solution

The fourth proportional to 224,624.86, 336,824.61 and 74,812.48 is: 112,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,624.86 : 336,824.61 = 74,812.48 : x
  2. Step 2: Convert to fraction form
    224,624.86/336,824.61 = 74,812.48/x
  3. Step 3: Cross multiply
    224,624.86x = 336,824.61 × 74,812.48
  4. Step 4: Simplify right side
    224,624.86x = 25,198,684,399.13
  5. Step 5: Solve for x
    x = 25,198,684,399.13/224,624.86
  6. Step 6: Final answer
    x = 112,181.19

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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.