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Finding the Fourth Proportional to 207,233, 285,992.04 and 122,348.24

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Solution

The fourth proportional to 207,233, 285,992.04 and 122,348.24 is: 168,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,233 : 285,992.04 = 122,348.24 : x
  2. Step 2: Convert to fraction form
    207,233/285,992.04 = 122,348.24/x
  3. Step 3: Cross multiply
    207,233x = 285,992.04 × 122,348.24
  4. Step 4: Simplify right side
    207,233x = 34,990,622,748.01
  5. Step 5: Solve for x
    x = 34,990,622,748.01/207,233
  6. Step 6: Final answer
    x = 168,846.77

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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.