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Finding the Fourth Proportional to 224,562.17, 309,958.35 and 129,099.62

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Solution

The fourth proportional to 224,562.17, 309,958.35 and 129,099.62 is: 178,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,562.17 : 309,958.35 = 129,099.62 : x
  2. Step 2: Convert to fraction form
    224,562.17/309,958.35 = 129,099.62/x
  3. Step 3: Cross multiply
    224,562.17x = 309,958.35 × 129,099.62
  4. Step 4: Simplify right side
    224,562.17x = 40,015,505,491.60
  5. Step 5: Solve for x
    x = 40,015,505,491.60/224,562.17
  6. Step 6: Final answer
    x = 178,193.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.