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Finding the Fourth Proportional to 109,599.67, 164,362.60 and 88,489.65

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Solution

The fourth proportional to 109,599.67, 164,362.60 and 88,489.65 is: 132,704.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,599.67 : 164,362.60 = 88,489.65 : x
  2. Step 2: Convert to fraction form
    109,599.67/164,362.60 = 88,489.65/x
  3. Step 3: Cross multiply
    109,599.67x = 164,362.60 × 88,489.65
  4. Step 4: Simplify right side
    109,599.67x = 14,544,388,947.09
  5. Step 5: Solve for x
    x = 14,544,388,947.09/109,599.67
  6. Step 6: Final answer
    x = 132,704.68

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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.