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Finding the Fourth Proportional to 224,263.81, 309,481.80 and 122,289.02

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Solution

The fourth proportional to 224,263.81, 309,481.80 and 122,289.02 is: 168,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,263.81 : 309,481.80 = 122,289.02 : x
  2. Step 2: Convert to fraction form
    224,263.81/309,481.80 = 122,289.02/x
  3. Step 3: Cross multiply
    224,263.81x = 309,481.80 × 122,289.02
  4. Step 4: Simplify right side
    224,263.81x = 37,846,225,327.86
  5. Step 5: Solve for x
    x = 37,846,225,327.86/224,263.81
  6. Step 6: Final answer
    x = 168,757.61

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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.