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Finding the Fourth Proportional to 293,245.12, 404,676.84 and 159,109.12

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Solution

The fourth proportional to 293,245.12, 404,676.84 and 159,109.12 is: 219,569.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,245.12 : 404,676.84 = 159,109.12 : x
  2. Step 2: Convert to fraction form
    293,245.12/404,676.84 = 159,109.12/x
  3. Step 3: Cross multiply
    293,245.12x = 404,676.84 × 159,109.12
  4. Step 4: Simplify right side
    293,245.12x = 64,387,775,896.78
  5. Step 5: Solve for x
    x = 64,387,775,896.78/293,245.12
  6. Step 6: Final answer
    x = 219,569.81

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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.