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Finding the Fourth Proportional to 234,353.21, 351,548.05 and 76,597.61

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Solution

The fourth proportional to 234,353.21, 351,548.05 and 76,597.61 is: 114,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,353.21 : 351,548.05 = 76,597.61 : x
  2. Step 2: Convert to fraction form
    234,353.21/351,548.05 = 76,597.61/x
  3. Step 3: Cross multiply
    234,353.21x = 351,548.05 × 76,597.61
  4. Step 4: Simplify right side
    234,353.21x = 26,927,738,480.93
  5. Step 5: Solve for x
    x = 26,927,738,480.93/234,353.21
  6. Step 6: Final answer
    x = 114,902.37

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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.