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Finding the Fourth Proportional to 213,924.80, 321,002.40 and 95,614.40

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Solution

The fourth proportional to 213,924.80, 321,002.40 and 95,614.40 is: 143,473.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,924.80 : 321,002.40 = 95,614.40 : x
  2. Step 2: Convert to fraction form
    213,924.80/321,002.40 = 95,614.40/x
  3. Step 3: Cross multiply
    213,924.80x = 321,002.40 × 95,614.40
  4. Step 4: Simplify right side
    213,924.80x = 30,692,451,874.56
  5. Step 5: Solve for x
    x = 30,692,451,874.56/213,924.80
  6. Step 6: Final answer
    x = 143,473.09

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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.