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Finding the Fourth Proportional to 330,792.62, 496,129.68 and 87,635.34

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Solution

The fourth proportional to 330,792.62, 496,129.68 and 87,635.34 is: 131,437.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,792.62 : 496,129.68 = 87,635.34 : x
  2. Step 2: Convert to fraction form
    330,792.62/496,129.68 = 87,635.34/x
  3. Step 3: Cross multiply
    330,792.62x = 496,129.68 × 87,635.34
  4. Step 4: Simplify right side
    330,792.62x = 43,478,493,190.89
  5. Step 5: Solve for x
    x = 43,478,493,190.89/330,792.62
  6. Step 6: Final answer
    x = 131,437.32

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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.