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Finding the Fourth Proportional to 234,610.21, 351,964.53 and 101,509.39

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Solution

The fourth proportional to 234,610.21, 351,964.53 and 101,509.39 is: 152,285.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,610.21 : 351,964.53 = 101,509.39 : x
  2. Step 2: Convert to fraction form
    234,610.21/351,964.53 = 101,509.39/x
  3. Step 3: Cross multiply
    234,610.21x = 351,964.53 × 101,509.39
  4. Step 4: Simplify right side
    234,610.21x = 35,727,704,741.94
  5. Step 5: Solve for x
    x = 35,727,704,741.94/234,610.21
  6. Step 6: Final answer
    x = 152,285.38

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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.