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Finding the Fourth Proportional to 243,016.09, 364,524.13 and 76,791.13

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Solution

The fourth proportional to 243,016.09, 364,524.13 and 76,791.13 is: 115,186.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,016.09 : 364,524.13 = 76,791.13 : x
  2. Step 2: Convert to fraction form
    243,016.09/364,524.13 = 76,791.13/x
  3. Step 3: Cross multiply
    243,016.09x = 364,524.13 × 76,791.13
  4. Step 4: Simplify right side
    243,016.09x = 27,992,218,032.35
  5. Step 5: Solve for x
    x = 27,992,218,032.35/243,016.09
  6. Step 6: Final answer
    x = 115,186.69

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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.