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Finding the Fourth Proportional to 200,748.25, 301,239.02 and 89,940.25

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Solution

The fourth proportional to 200,748.25, 301,239.02 and 89,940.25 is: 134,962.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,748.25 : 301,239.02 = 89,940.25 : x
  2. Step 2: Convert to fraction form
    200,748.25/301,239.02 = 89,940.25/x
  3. Step 3: Cross multiply
    200,748.25x = 301,239.02 × 89,940.25
  4. Step 4: Simplify right side
    200,748.25x = 27,093,512,768.56
  5. Step 5: Solve for x
    x = 27,093,512,768.56/200,748.25
  6. Step 6: Final answer
    x = 134,962.63

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1.5x scale

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.