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Finding the Fourth Proportional to 325,375.72, 487,882.50 and 100,673.62

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Solution

The fourth proportional to 325,375.72, 487,882.50 and 100,673.62 is: 150,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,375.72 : 487,882.50 = 100,673.62 : x
  2. Step 2: Convert to fraction form
    325,375.72/487,882.50 = 100,673.62/x
  3. Step 3: Cross multiply
    325,375.72x = 487,882.50 × 100,673.62
  4. Step 4: Simplify right side
    325,375.72x = 49,116,897,409.65
  5. Step 5: Solve for x
    x = 49,116,897,409.65/325,375.72
  6. Step 6: Final answer
    x = 150,954.40

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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.