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Finding the Fourth Proportional to 224,280.95, 309,515.16 and 122,311.98

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Solution

The fourth proportional to 224,280.95, 309,515.16 and 122,311.98 is: 168,794.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,280.95 : 309,515.16 = 122,311.98 : x
  2. Step 2: Convert to fraction form
    224,280.95/309,515.16 = 122,311.98/x
  3. Step 3: Cross multiply
    224,280.95x = 309,515.16 × 122,311.98
  4. Step 4: Simplify right side
    224,280.95x = 37,857,412,059.62
  5. Step 5: Solve for x
    x = 37,857,412,059.62/224,280.95
  6. Step 6: Final answer
    x = 168,794.60

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