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Finding the Fourth Proportional to 218,101.86, 327,168.36 and 58,176.90

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Solution

The fourth proportional to 218,101.86, 327,168.36 and 58,176.90 is: 87,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,101.86 : 327,168.36 = 58,176.90 : x
  2. Step 2: Convert to fraction form
    218,101.86/327,168.36 = 58,176.90/x
  3. Step 3: Cross multiply
    218,101.86x = 327,168.36 × 58,176.90
  4. Step 4: Simplify right side
    218,101.86x = 19,033,640,962.88
  5. Step 5: Solve for x
    x = 19,033,640,962.88/218,101.86
  6. Step 6: Final answer
    x = 87,269.50

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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.