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Finding the Fourth Proportional to 103,759.84, 155,654.16 and 33,616.48

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Solution

The fourth proportional to 103,759.84, 155,654.16 and 33,616.48 is: 50,429.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,759.84 : 155,654.16 = 33,616.48 : x
  2. Step 2: Convert to fraction form
    103,759.84/155,654.16 = 33,616.48/x
  3. Step 3: Cross multiply
    103,759.84x = 155,654.16 × 33,616.48
  4. Step 4: Simplify right side
    103,759.84x = 5,232,544,956.56
  5. Step 5: Solve for x
    x = 5,232,544,956.56/103,759.84
  6. Step 6: Final answer
    x = 50,429.39

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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.