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Finding the Fourth Proportional to 103,531.62, 155,291.94 and 33,410.94

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Solution

The fourth proportional to 103,531.62, 155,291.94 and 33,410.94 is: 50,114.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,531.62 : 155,291.94 = 33,410.94 : x
  2. Step 2: Convert to fraction form
    103,531.62/155,291.94 = 33,410.94/x
  3. Step 3: Cross multiply
    103,531.62x = 155,291.94 × 33,410.94
  4. Step 4: Simplify right side
    103,531.62x = 5,188,449,689.82
  5. Step 5: Solve for x
    x = 5,188,449,689.82/103,531.62
  6. Step 6: Final answer
    x = 50,114.64

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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.