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Finding the Fourth Proportional to 227,929.32, 341,908.56 and 87,687.94

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Solution

The fourth proportional to 227,929.32, 341,908.56 and 87,687.94 is: 131,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,929.32 : 341,908.56 = 87,687.94 : x
  2. Step 2: Convert to fraction form
    227,929.32/341,908.56 = 87,687.94/x
  3. Step 3: Cross multiply
    227,929.32x = 341,908.56 × 87,687.94
  4. Step 4: Simplify right side
    227,929.32x = 29,981,257,294.77
  5. Step 5: Solve for x
    x = 29,981,257,294.77/227,929.32
  6. Step 6: Final answer
    x = 131,537.52

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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.