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Finding the Fourth Proportional to 234,535.88, 351,858.50 and 76,754.76

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Solution

The fourth proportional to 234,535.88, 351,858.50 and 76,754.76 is: 115,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,535.88 : 351,858.50 = 76,754.76 : x
  2. Step 2: Convert to fraction form
    234,535.88/351,858.50 = 76,754.76/x
  3. Step 3: Cross multiply
    234,535.88x = 351,858.50 × 76,754.76
  4. Step 4: Simplify right side
    234,535.88x = 27,006,814,721.46
  5. Step 5: Solve for x
    x = 27,006,814,721.46/234,535.88
  6. Step 6: Final answer
    x = 115,150.03

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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.