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Finding the Fourth Proportional to 192,651.77, 288,854.60 and 92,612.90

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Solution

The fourth proportional to 192,651.77, 288,854.60 and 92,612.90 is: 138,860.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,651.77 : 288,854.60 = 92,612.90 : x
  2. Step 2: Convert to fraction form
    192,651.77/288,854.60 = 92,612.90/x
  3. Step 3: Cross multiply
    192,651.77x = 288,854.60 × 92,612.90
  4. Step 4: Simplify right side
    192,651.77x = 26,751,660,277.00
  5. Step 5: Solve for x
    x = 26,751,660,277.00/192,651.77
  6. Step 6: Final answer
    x = 138,860.19

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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.