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Finding the Fourth Proportional to 224,353.80, 309,614.08 and 122,380.98

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Solution

The fourth proportional to 224,353.80, 309,614.08 and 122,380.98 is: 168,888.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,353.80 : 309,614.08 = 122,380.98 : x
  2. Step 2: Convert to fraction form
    224,353.80/309,614.08 = 122,380.98/x
  3. Step 3: Cross multiply
    224,353.80x = 309,614.08 × 122,380.98
  4. Step 4: Simplify right side
    224,353.80x = 37,890,874,532.20
  5. Step 5: Solve for x
    x = 37,890,874,532.20/224,353.80
  6. Step 6: Final answer
    x = 168,888.94

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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.