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Finding the Fourth Proportional to 224,021.80, 336,129.90 and 113,213.80

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Solution

The fourth proportional to 224,021.80, 336,129.90 and 113,213.80 is: 169,869.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,021.80 : 336,129.90 = 113,213.80 : x
  2. Step 2: Convert to fraction form
    224,021.80/336,129.90 = 113,213.80/x
  3. Step 3: Cross multiply
    224,021.80x = 336,129.90 × 113,213.80
  4. Step 4: Simplify right side
    224,021.80x = 38,054,543,272.62
  5. Step 5: Solve for x
    x = 38,054,543,272.62/224,021.80
  6. Step 6: Final answer
    x = 169,869.82

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1.5x scale

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.