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Finding the Fourth Proportional to 234,380.60, 351,626.46 and 76,608.60

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Solution

The fourth proportional to 234,380.60, 351,626.46 and 76,608.60 is: 114,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,380.60 : 351,626.46 = 76,608.60 : x
  2. Step 2: Convert to fraction form
    234,380.60/351,626.46 = 76,608.60/x
  3. Step 3: Cross multiply
    234,380.60x = 351,626.46 × 76,608.60
  4. Step 4: Simplify right side
    234,380.60x = 26,937,610,823.56
  5. Step 5: Solve for x
    x = 26,937,610,823.56/234,380.60
  6. Step 6: Final answer
    x = 114,931.06

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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.