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Finding the Fourth Proportional to 176,874.12, 244,073.96 and 100,394.78

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Solution

The fourth proportional to 176,874.12, 244,073.96 and 100,394.78 is: 138,537.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,874.12 : 244,073.96 = 100,394.78 : x
  2. Step 2: Convert to fraction form
    176,874.12/244,073.96 = 100,394.78/x
  3. Step 3: Cross multiply
    176,874.12x = 244,073.96 × 100,394.78
  4. Step 4: Simplify right side
    176,874.12x = 24,503,749,795.59
  5. Step 5: Solve for x
    x = 24,503,749,795.59/176,874.12
  6. Step 6: Final answer
    x = 138,537.79

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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.