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Finding the Fourth Proportional to 226,698.39, 340,066.62 and 68,928.21

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Solution

The fourth proportional to 226,698.39, 340,066.62 and 68,928.21 is: 103,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,698.39 : 340,066.62 = 68,928.21 : x
  2. Step 2: Convert to fraction form
    226,698.39/340,066.62 = 68,928.21/x
  3. Step 3: Cross multiply
    226,698.39x = 340,066.62 × 68,928.21
  4. Step 4: Simplify right side
    226,698.39x = 23,440,183,397.35
  5. Step 5: Solve for x
    x = 23,440,183,397.35/226,698.39
  6. Step 6: Final answer
    x = 103,398.10

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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.