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Finding the Fourth Proportional to 192,494.39, 288,026.43 and 121,083.57

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Solution

The fourth proportional to 192,494.39, 288,026.43 and 121,083.57 is: 181,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,494.39 : 288,026.43 = 121,083.57 : x
  2. Step 2: Convert to fraction form
    192,494.39/288,026.43 = 121,083.57/x
  3. Step 3: Cross multiply
    192,494.39x = 288,026.43 × 121,083.57
  4. Step 4: Simplify right side
    192,494.39x = 34,875,268,398.76
  5. Step 5: Solve for x
    x = 34,875,268,398.76/192,494.39
  6. Step 6: Final answer
    x = 181,175.51

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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.