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Finding the Fourth Proportional to 234,357.50, 351,554.51 and 76,601.90

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Solution

The fourth proportional to 234,357.50, 351,554.51 and 76,601.90 is: 114,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,357.50 : 351,554.51 = 76,601.90 : x
  2. Step 2: Convert to fraction form
    234,357.50/351,554.51 = 76,601.90/x
  3. Step 3: Cross multiply
    234,357.50x = 351,554.51 × 76,601.90
  4. Step 4: Simplify right side
    234,357.50x = 26,929,744,489.96
  5. Step 5: Solve for x
    x = 26,929,744,489.96/234,357.50
  6. Step 6: Final answer
    x = 114,908.82

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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.