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Finding the Fourth Proportional to 100,771.58, 150,825.18 and 55,723.64

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Solution

The fourth proportional to 100,771.58, 150,825.18 and 55,723.64 is: 83,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,771.58 : 150,825.18 = 55,723.64 : x
  2. Step 2: Convert to fraction form
    100,771.58/150,825.18 = 55,723.64/x
  3. Step 3: Cross multiply
    100,771.58x = 150,825.18 × 55,723.64
  4. Step 4: Simplify right side
    100,771.58x = 8,404,528,033.26
  5. Step 5: Solve for x
    x = 8,404,528,033.26/100,771.58
  6. Step 6: Final answer
    x = 83,401.77

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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.