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Finding the Fourth Proportional to 224,262.76, 336,336.81 and 66,454.31

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Solution

The fourth proportional to 224,262.76, 336,336.81 and 66,454.31 is: 99,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,262.76 : 336,336.81 = 66,454.31 : x
  2. Step 2: Convert to fraction form
    224,262.76/336,336.81 = 66,454.31/x
  3. Step 3: Cross multiply
    224,262.76x = 336,336.81 × 66,454.31
  4. Step 4: Simplify right side
    224,262.76x = 22,351,030,636.15
  5. Step 5: Solve for x
    x = 22,351,030,636.15/224,262.76
  6. Step 6: Final answer
    x = 99,664.48

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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.