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Finding the Fourth Proportional to 133,326.45, 200,000.31 and 44,580.42

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Solution

The fourth proportional to 133,326.45, 200,000.31 and 44,580.42 is: 66,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,326.45 : 200,000.31 = 44,580.42 : x
  2. Step 2: Convert to fraction form
    133,326.45/200,000.31 = 44,580.42/x
  3. Step 3: Cross multiply
    133,326.45x = 200,000.31 × 44,580.42
  4. Step 4: Simplify right side
    133,326.45x = 8,916,097,819.93
  5. Step 5: Solve for x
    x = 8,916,097,819.93/133,326.45
  6. Step 6: Final answer
    x = 66,874.19

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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.