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Finding the Fourth Proportional to 230,882.62, 346,358.55 and 81,096.51

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Solution

The fourth proportional to 230,882.62, 346,358.55 and 81,096.51 is: 121,656.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,882.62 : 346,358.55 = 81,096.51 : x
  2. Step 2: Convert to fraction form
    230,882.62/346,358.55 = 81,096.51/x
  3. Step 3: Cross multiply
    230,882.62x = 346,358.55 × 81,096.51
  4. Step 4: Simplify right side
    230,882.62x = 28,088,469,613.66
  5. Step 5: Solve for x
    x = 28,088,469,613.66/230,882.62
  6. Step 6: Final answer
    x = 121,656.93

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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.