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Finding the Fourth Proportional to 202,239.90, 303,469.20 and 89,937.45

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Solution

The fourth proportional to 202,239.90, 303,469.20 and 89,937.45 is: 134,954.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,239.90 : 303,469.20 = 89,937.45 : x
  2. Step 2: Convert to fraction form
    202,239.90/303,469.20 = 89,937.45/x
  3. Step 3: Cross multiply
    202,239.90x = 303,469.20 × 89,937.45
  4. Step 4: Simplify right side
    202,239.90x = 27,293,246,001.54
  5. Step 5: Solve for x
    x = 27,293,246,001.54/202,239.90
  6. Step 6: Final answer
    x = 134,954.80

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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.