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Finding the Fourth Proportional to 192,460.72, 288,614.48 and 74,066.24

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Solution

The fourth proportional to 192,460.72, 288,614.48 and 74,066.24 is: 111,069.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,460.72 : 288,614.48 = 74,066.24 : x
  2. Step 2: Convert to fraction form
    192,460.72/288,614.48 = 74,066.24/x
  3. Step 3: Cross multiply
    192,460.72x = 288,614.48 × 74,066.24
  4. Step 4: Simplify right side
    192,460.72x = 21,376,589,343.16
  5. Step 5: Solve for x
    x = 21,376,589,343.16/192,460.72
  6. Step 6: Final answer
    x = 111,069.88

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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.