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Finding the Fourth Proportional to 162,067.62, 223,668.84 and 90,454.31

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Solution

The fourth proportional to 162,067.62, 223,668.84 and 90,454.31 is: 124,835.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,067.62 : 223,668.84 = 90,454.31 : x
  2. Step 2: Convert to fraction form
    162,067.62/223,668.84 = 90,454.31/x
  3. Step 3: Cross multiply
    162,067.62x = 223,668.84 × 90,454.31
  4. Step 4: Simplify right side
    162,067.62x = 20,231,809,472.36
  5. Step 5: Solve for x
    x = 20,231,809,472.36/162,067.62
  6. Step 6: Final answer
    x = 124,835.61

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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.