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Finding the Fourth Proportional to 234,201.94, 351,312.64 and 67,989.94

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Solution

The fourth proportional to 234,201.94, 351,312.64 and 67,989.94 is: 101,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,201.94 : 351,312.64 = 67,989.94 : x
  2. Step 2: Convert to fraction form
    234,201.94/351,312.64 = 67,989.94/x
  3. Step 3: Cross multiply
    234,201.94x = 351,312.64 × 67,989.94
  4. Step 4: Simplify right side
    234,201.94x = 23,885,724,266.59
  5. Step 5: Solve for x
    x = 23,885,724,266.59/234,201.94
  6. Step 6: Final answer
    x = 101,987.73

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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.