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Finding the Fourth Proportional to 211,874.33, 292,388.31 and 116,383.16

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Solution

The fourth proportional to 211,874.33, 292,388.31 and 116,383.16 is: 160,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,874.33 : 292,388.31 = 116,383.16 : x
  2. Step 2: Convert to fraction form
    211,874.33/292,388.31 = 116,383.16/x
  3. Step 3: Cross multiply
    211,874.33x = 292,388.31 × 116,383.16
  4. Step 4: Simplify right side
    211,874.33x = 34,029,074,002.92
  5. Step 5: Solve for x
    x = 34,029,074,002.92/211,874.33
  6. Step 6: Final answer
    x = 160,609.71

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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.