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Finding the Fourth Proportional to 133,628.32, 200,458.96 and 43,668.90

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Solution

The fourth proportional to 133,628.32, 200,458.96 and 43,668.90 is: 65,508.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,628.32 : 200,458.96 = 43,668.90 : x
  2. Step 2: Convert to fraction form
    133,628.32/200,458.96 = 43,668.90/x
  3. Step 3: Cross multiply
    133,628.32x = 200,458.96 × 43,668.90
  4. Step 4: Simplify right side
    133,628.32x = 8,753,822,278.34
  5. Step 5: Solve for x
    x = 8,753,822,278.34/133,628.32
  6. Step 6: Final answer
    x = 65,508.74

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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.