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Finding the Fourth Proportional to 192,488.60, 288,404.85 and 164,276.30

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Solution

The fourth proportional to 192,488.60, 288,404.85 and 164,276.30 is: 246,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,488.60 : 288,404.85 = 164,276.30 : x
  2. Step 2: Convert to fraction form
    192,488.60/288,404.85 = 164,276.30/x
  3. Step 3: Cross multiply
    192,488.60x = 288,404.85 × 164,276.30
  4. Step 4: Simplify right side
    192,488.60x = 47,378,081,660.06
  5. Step 5: Solve for x
    x = 47,378,081,660.06/192,488.60
  6. Step 6: Final answer
    x = 246,134.48

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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.