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Finding the Fourth Proportional to 133,073.40, 199,610.10 and 109,453.80

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Solution

The fourth proportional to 133,073.40, 199,610.10 and 109,453.80 is: 164,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.40 : 199,610.10 = 109,453.80 : x
  2. Step 2: Convert to fraction form
    133,073.40/199,610.10 = 109,453.80/x
  3. Step 3: Cross multiply
    133,073.40x = 199,610.10 × 109,453.80
  4. Step 4: Simplify right side
    133,073.40x = 21,848,083,963.38
  5. Step 5: Solve for x
    x = 21,848,083,963.38/133,073.40
  6. Step 6: Final answer
    x = 164,180.70

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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.