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Finding the Fourth Proportional to 234,404.88, 323,479.08 and 126,975.84

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Solution

The fourth proportional to 234,404.88, 323,479.08 and 126,975.84 is: 175,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,404.88 : 323,479.08 = 126,975.84 : x
  2. Step 2: Convert to fraction form
    234,404.88/323,479.08 = 126,975.84/x
  3. Step 3: Cross multiply
    234,404.88x = 323,479.08 × 126,975.84
  4. Step 4: Simplify right side
    234,404.88x = 41,074,027,905.43
  5. Step 5: Solve for x
    x = 41,074,027,905.43/234,404.88
  6. Step 6: Final answer
    x = 175,226.85

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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.