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Finding the Fourth Proportional to 224,588.43, 336,896.55 and 74,842.11

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Solution

The fourth proportional to 224,588.43, 336,896.55 and 74,842.11 is: 112,267.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,588.43 : 336,896.55 = 74,842.11 : x
  2. Step 2: Convert to fraction form
    224,588.43/336,896.55 = 74,842.11/x
  3. Step 3: Cross multiply
    224,588.43x = 336,896.55 × 74,842.11
  4. Step 4: Simplify right side
    224,588.43x = 25,214,048,653.72
  5. Step 5: Solve for x
    x = 25,214,048,653.72/224,588.43
  6. Step 6: Final answer
    x = 112,267.80

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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.