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Finding the Fourth Proportional to 224,199.60, 336,189.20 and 74,389

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Solution

The fourth proportional to 224,199.60, 336,189.20 and 74,389 is: 111,546.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,199.60 : 336,189.20 = 74,389 : x
  2. Step 2: Convert to fraction form
    224,199.60/336,189.20 = 74,389/x
  3. Step 3: Cross multiply
    224,199.60x = 336,189.20 × 74,389
  4. Step 4: Simplify right side
    224,199.60x = 25,008,778,398.80
  5. Step 5: Solve for x
    x = 25,008,778,398.80/224,199.60
  6. Step 6: Final answer
    x = 111,546.94

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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.