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Finding the Fourth Proportional to 223,786.08, 335,680.14 and 90,668.88

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Solution

The fourth proportional to 223,786.08, 335,680.14 and 90,668.88 is: 136,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,786.08 : 335,680.14 = 90,668.88 : x
  2. Step 2: Convert to fraction form
    223,786.08/335,680.14 = 90,668.88/x
  3. Step 3: Cross multiply
    223,786.08x = 335,680.14 × 90,668.88
  4. Step 4: Simplify right side
    223,786.08x = 30,435,742,332.04
  5. Step 5: Solve for x
    x = 30,435,742,332.04/223,786.08
  6. Step 6: Final answer
    x = 136,003.73

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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.