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Finding the Fourth Proportional to 118,896.67, 164,089.14 and 67,917.03

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Solution

The fourth proportional to 118,896.67, 164,089.14 and 67,917.03 is: 93,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,896.67 : 164,089.14 = 67,917.03 : x
  2. Step 2: Convert to fraction form
    118,896.67/164,089.14 = 67,917.03/x
  3. Step 3: Cross multiply
    118,896.67x = 164,089.14 × 67,917.03
  4. Step 4: Simplify right side
    118,896.67x = 11,144,447,044.05
  5. Step 5: Solve for x
    x = 11,144,447,044.05/118,896.67
  6. Step 6: Final answer
    x = 93,732.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.