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Finding the Fourth Proportional to 100,066.88, 150,218.58 and 40,946.60

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Solution

The fourth proportional to 100,066.88, 150,218.58 and 40,946.60 is: 61,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,066.88 : 150,218.58 = 40,946.60 : x
  2. Step 2: Convert to fraction form
    100,066.88/150,218.58 = 40,946.60/x
  3. Step 3: Cross multiply
    100,066.88x = 150,218.58 × 40,946.60
  4. Step 4: Simplify right side
    100,066.88x = 6,150,940,107.83
  5. Step 5: Solve for x
    x = 6,150,940,107.83/100,066.88
  6. Step 6: Final answer
    x = 61,468.29

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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.