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Finding the Fourth Proportional to 89,479.50, 134,220.06 and 27,150

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Solution

The fourth proportional to 89,479.50, 134,220.06 and 27,150 is: 40,725.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,479.50 : 134,220.06 = 27,150 : x
  2. Step 2: Convert to fraction form
    89,479.50/134,220.06 = 27,150/x
  3. Step 3: Cross multiply
    89,479.50x = 134,220.06 × 27,150
  4. Step 4: Simplify right side
    89,479.50x = 3,644,074,629
  5. Step 5: Solve for x
    x = 3,644,074,629/89,479.50
  6. Step 6: Final answer
    x = 40,725.25

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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.