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Finding the Fourth Proportional to 224,668.86, 336,890.43 and 74,856.66

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Solution

The fourth proportional to 224,668.86, 336,890.43 and 74,856.66 is: 112,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,668.86 : 336,890.43 = 74,856.66 : x
  2. Step 2: Convert to fraction form
    224,668.86/336,890.43 = 74,856.66/x
  3. Step 3: Cross multiply
    224,668.86x = 336,890.43 × 74,856.66
  4. Step 4: Simplify right side
    224,668.86x = 25,218,492,375.76
  5. Step 5: Solve for x
    x = 25,218,492,375.76/224,668.86
  6. Step 6: Final answer
    x = 112,247.39

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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.