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Finding the Fourth Proportional to 227,959.65, 341,730.50 and 87,612.57

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Solution

The fourth proportional to 227,959.65, 341,730.50 and 87,612.57 is: 131,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,959.65 : 341,730.50 = 87,612.57 : x
  2. Step 2: Convert to fraction form
    227,959.65/341,730.50 = 87,612.57/x
  3. Step 3: Cross multiply
    227,959.65x = 341,730.50 × 87,612.57
  4. Step 4: Simplify right side
    227,959.65x = 29,939,886,914.32
  5. Step 5: Solve for x
    x = 29,939,886,914.32/227,959.65
  6. Step 6: Final answer
    x = 131,338.54

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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.