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Finding the Fourth Proportional to 100,468.12, 150,597.42 and 33,885.40

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Solution

The fourth proportional to 100,468.12, 150,597.42 and 33,885.40 is: 50,792.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,468.12 : 150,597.42 = 33,885.40 : x
  2. Step 2: Convert to fraction form
    100,468.12/150,597.42 = 33,885.40/x
  3. Step 3: Cross multiply
    100,468.12x = 150,597.42 × 33,885.40
  4. Step 4: Simplify right side
    100,468.12x = 5,103,053,815.67
  5. Step 5: Solve for x
    x = 5,103,053,815.67/100,468.12
  6. Step 6: Final answer
    x = 50,792.77

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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.