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Finding the Fourth Proportional to 133,673.20, 200,291.04 and 80,922.80

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Solution

The fourth proportional to 133,673.20, 200,291.04 and 80,922.80 is: 121,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,673.20 : 200,291.04 = 80,922.80 : x
  2. Step 2: Convert to fraction form
    133,673.20/200,291.04 = 80,922.80/x
  3. Step 3: Cross multiply
    133,673.20x = 200,291.04 × 80,922.80
  4. Step 4: Simplify right side
    133,673.20x = 16,208,111,771.71
  5. Step 5: Solve for x
    x = 16,208,111,771.71/133,673.20
  6. Step 6: Final answer
    x = 121,251.77

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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.