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Finding the Fourth Proportional to 192,225.62, 288,400.12 and 92,393.05

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Solution

The fourth proportional to 192,225.62, 288,400.12 and 92,393.05 is: 138,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,225.62 : 288,400.12 = 92,393.05 : x
  2. Step 2: Convert to fraction form
    192,225.62/288,400.12 = 92,393.05/x
  3. Step 3: Cross multiply
    192,225.62x = 288,400.12 × 92,393.05
  4. Step 4: Simplify right side
    192,225.62x = 26,646,165,755.18
  5. Step 5: Solve for x
    x = 26,646,165,755.18/192,225.62
  6. Step 6: Final answer
    x = 138,619.22

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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.