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Finding the Fourth Proportional to 224,620.64, 336,929.60 and 56,140.12

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Solution

The fourth proportional to 224,620.64, 336,929.60 and 56,140.12 is: 84,209.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,620.64 : 336,929.60 = 56,140.12 : x
  2. Step 2: Convert to fraction form
    224,620.64/336,929.60 = 56,140.12/x
  3. Step 3: Cross multiply
    224,620.64x = 336,929.60 × 56,140.12
  4. Step 4: Simplify right side
    224,620.64x = 18,915,268,175.55
  5. Step 5: Solve for x
    x = 18,915,268,175.55/224,620.64
  6. Step 6: Final answer
    x = 84,209.84

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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.