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Finding the Fourth Proportional to 192,613.96, 288,731.40 and 112,550.32

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Solution

The fourth proportional to 192,613.96, 288,731.40 and 112,550.32 is: 168,714.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,613.96 : 288,731.40 = 112,550.32 : x
  2. Step 2: Convert to fraction form
    192,613.96/288,731.40 = 112,550.32/x
  3. Step 3: Cross multiply
    192,613.96x = 288,731.40 × 112,550.32
  4. Step 4: Simplify right side
    192,613.96x = 32,496,810,179.47
  5. Step 5: Solve for x
    x = 32,496,810,179.47/192,613.96
  6. Step 6: Final answer
    x = 168,714.72

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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.