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Finding the Fourth Proportional to 199,616.64, 275,472 and 110,192.64

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Solution

The fourth proportional to 199,616.64, 275,472 and 110,192.64 is: 152,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,616.64 : 275,472 = 110,192.64 : x
  2. Step 2: Convert to fraction form
    199,616.64/275,472 = 110,192.64/x
  3. Step 3: Cross multiply
    199,616.64x = 275,472 × 110,192.64
  4. Step 4: Simplify right side
    199,616.64x = 30,354,986,926.08
  5. Step 5: Solve for x
    x = 30,354,986,926.08/199,616.64
  6. Step 6: Final answer
    x = 152,066.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.