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Finding the Fourth Proportional to 103,667.33, 155,501 and 33,553.73

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Solution

The fourth proportional to 103,667.33, 155,501 and 33,553.73 is: 50,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,667.33 : 155,501 = 33,553.73 : x
  2. Step 2: Convert to fraction form
    103,667.33/155,501 = 33,553.73/x
  3. Step 3: Cross multiply
    103,667.33x = 155,501 × 33,553.73
  4. Step 4: Simplify right side
    103,667.33x = 5,217,638,568.73
  5. Step 5: Solve for x
    x = 5,217,638,568.73/103,667.33
  6. Step 6: Final answer
    x = 50,330.60

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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.